381451280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 240

約数和(自身を含む): 1104643584

約数和(自身を除く): 723192304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 43, 49, 56, 62, 70, 73, 80, 86, 98, 112, 124, 140, 146, 155, 172, 196, 215, 217, 245, 248, 280, 292, 301, 310, 344, 365, 392, 430, 434, 490, 496, 511, 560, 584, 602, 620, 688, 730, 784, 860, 868, 980, 1022, 1085, 1168, 1204, 1240, 1333, 1460, 1505, 1519, 1720, 1736, 1960, 2044, 2107, 2170, 2263, 2408, 2480, 2555, 2666, 2920, 3010, 3038, 3139, 3440, 3472, 3577, 3920, 4088, 4214, 4340, 4526, 4816, 5110, 5332, 5840, 6020, 6076, 6278, 6665, 7154, 7595, 8176, 8428, 8680, 9052, 9331, 10220, 10535, 10664, 11315, 12040, 12152, 12556, 13330, 14308, 15190, 15695, 15841, 16856, 17360, 17885, 18104, 18662, 20440, 21070, 21328, 21973, 22630, 24080, 24304, 25112, 26660, 28616, 30380, 31390, 31682, 33712, 35770, 36208, 37324, 40880, 42140, 43946, 45260, 46655, 50224, 53320, 57232, 60760, 62780, 63364, 65317, 71540, 74648, 79205, 84280, 87892, 90520, 93310, 97309, 106640, 109865, 110887, 121520, 125560, 126728, 130634, 143080, 149296, 153811, 158410, 168560, 175784, 181040, 186620, 194618, 219730, 221774, 251120, 253456, 261268, 286160, 307622, 316820, 326585, 351568, 373240, 389236, 439460, 443548, 486545, 522536, 554435, 615244, 633640, 653170, 681163, 746480, 769055, 778472, 878920, 887096, 973090, 1045072, 1108870, 1230488, 1267280, 1306340, 1362326, 1538110, 1556944, 1757840, 1774192, 1946180, 2217740, 2460976, 2612680, 2724652, 3076220, 3405815, 3892360, 4435480, 4768141, 5225360, 5449304, 6152440, 6811630, 7784720, 8870960, 9536282, 10898608, 12304880, 13623260, 19072564, 23840705, 27246520, 38145128, 47681410, 54493040, 76290256, 95362820, 190725640, 381451280]

約数ペア:

[(1, 381451280), (2, 190725640), (4, 95362820), (5, 76290256), (7, 54493040), (8, 47681410), (10, 38145128), (14, 27246520), (16, 23840705), (20, 19072564), (28, 13623260), (31, 12304880), (35, 10898608), (40, 9536282), (43, 8870960), (49, 7784720), (56, 6811630), (62, 6152440), (70, 5449304), (73, 5225360), (80, 4768141), (86, 4435480), (98, 3892360), (112, 3405815), (124, 3076220), (140, 2724652), (146, 2612680), (155, 2460976), (172, 2217740), (196, 1946180), (215, 1774192), (217, 1757840), (245, 1556944), (248, 1538110), (280, 1362326), (292, 1306340), (301, 1267280), (310, 1230488), (344, 1108870), (365, 1045072), (392, 973090), (430, 887096), (434, 878920), (490, 778472), (496, 769055), (511, 746480), (560, 681163), (584, 653170), (602, 633640), (620, 615244), (688, 554435), (730, 522536), (784, 486545), (860, 443548), (868, 439460), (980, 389236), (1022, 373240), (1085, 351568), (1168, 326585), (1204, 316820), (1240, 307622), (1333, 286160), (1460, 261268), (1505, 253456), (1519, 251120), (1720, 221774), (1736, 219730), (1960, 194618), (2044, 186620), (2107, 181040), (2170, 175784), (2263, 168560), (2408, 158410), (2480, 153811), (2555, 149296), (2666, 143080), (2920, 130634), (3010, 126728), (3038, 125560), (3139, 121520), (3440, 110887), (3472, 109865), (3577, 106640), (3920, 97309), (4088, 93310), (4214, 90520), (4340, 87892), (4526, 84280), (4816, 79205), (5110, 74648), (5332, 71540), (5840, 65317), (6020, 63364), (6076, 62780), (6278, 60760), (6665, 57232), (7154, 53320), (7595, 50224), (8176, 46655), (8428, 45260), (8680, 43946), (9052, 42140), (9331, 40880), (10220, 37324), (10535, 36208), (10664, 35770), (11315, 33712), (12040, 31682), (12152, 31390), (12556, 30380), (13330, 28616), (14308, 26660), (15190, 25112), (15695, 24304), (15841, 24080), (16856, 22630), (17360, 21973), (17885, 21328), (18104, 21070), (18662, 20440)]