223648880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 160

約数和(自身を含む): 661291008

約数和(自身を除く): 437642128

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 991, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 1982, 2015, 2170, 2480, 2821, 3224, 3472, 3640, 3964, 4030, 4340, 4955, 5642, 6448, 6937, 7280, 7928, 8060, 8680, 9910, 11284, 12883, 13874, 14105, 15856, 16120, 17360, 19820, 22568, 25766, 27748, 28210, 30721, 32240, 34685, 39640, 45136, 51532, 55496, 56420, 61442, 64415, 69370, 79280, 90181, 103064, 110992, 112840, 122884, 128830, 138740, 153605, 180362, 206128, 215047, 225680, 245768, 257660, 277480, 307210, 360724, 399373, 430094, 450905, 491536, 515320, 554960, 614420, 721448, 798746, 860188, 901810, 1030640, 1075235, 1228840, 1442896, 1597492, 1720376, 1803620, 1996865, 2150470, 2457680, 2795611, 3194984, 3440752, 3607240, 3993730, 4300940, 5591222, 6389968, 7214480, 7987460, 8601880, 11182444, 13978055, 15974920, 17203760, 22364888, 27956110, 31949840, 44729776, 55912220, 111824440, 223648880]

約数ペア:

[(1, 223648880), (2, 111824440), (4, 55912220), (5, 44729776), (7, 31949840), (8, 27956110), (10, 22364888), (13, 17203760), (14, 15974920), (16, 13978055), (20, 11182444), (26, 8601880), (28, 7987460), (31, 7214480), (35, 6389968), (40, 5591222), (52, 4300940), (56, 3993730), (62, 3607240), (65, 3440752), (70, 3194984), (80, 2795611), (91, 2457680), (104, 2150470), (112, 1996865), (124, 1803620), (130, 1720376), (140, 1597492), (155, 1442896), (182, 1228840), (208, 1075235), (217, 1030640), (248, 901810), (260, 860188), (280, 798746), (310, 721448), (364, 614420), (403, 554960), (434, 515320), (455, 491536), (496, 450905), (520, 430094), (560, 399373), (620, 360724), (728, 307210), (806, 277480), (868, 257660), (910, 245768), (991, 225680), (1040, 215047), (1085, 206128), (1240, 180362), (1456, 153605), (1612, 138740), (1736, 128830), (1820, 122884), (1982, 112840), (2015, 110992), (2170, 103064), (2480, 90181), (2821, 79280), (3224, 69370), (3472, 64415), (3640, 61442), (3964, 56420), (4030, 55496), (4340, 51532), (4955, 45136), (5642, 39640), (6448, 34685), (6937, 32240), (7280, 30721), (7928, 28210), (8060, 27748), (8680, 25766), (9910, 22568), (11284, 19820), (12883, 17360), (13874, 16120), (14105, 15856)]