351448240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1059

約数の個数: 160

約数和(自身を含む): 991936512

約数和(自身を除く): 640488272

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 176, 208, 220, 248, 260, 286, 310, 341, 403, 440, 496, 520, 572, 620, 682, 715, 806, 880, 991, 1040, 1144, 1240, 1364, 1430, 1612, 1705, 1982, 2015, 2288, 2480, 2728, 2860, 3224, 3410, 3964, 4030, 4433, 4955, 5456, 5720, 6448, 6820, 7928, 8060, 8866, 9910, 10901, 11440, 12883, 13640, 15856, 16120, 17732, 19820, 21802, 22165, 25766, 27280, 30721, 32240, 35464, 39640, 43604, 44330, 51532, 54505, 61442, 64415, 70928, 79280, 87208, 88660, 103064, 109010, 122884, 128830, 141713, 153605, 174416, 177320, 206128, 218020, 245768, 257660, 283426, 307210, 337931, 354640, 399373, 436040, 491536, 515320, 566852, 614420, 675862, 708565, 798746, 872080, 1030640, 1133704, 1228840, 1351724, 1417130, 1597492, 1689655, 1996865, 2267408, 2457680, 2703448, 2834260, 3194984, 3379310, 3993730, 4393103, 5406896, 5668520, 6389968, 6758620, 7987460, 8786206, 11337040, 13517240, 15974920, 17572412, 21965515, 27034480, 31949840, 35144824, 43931030, 70289648, 87862060, 175724120, 351448240]

約数ペア:

[(1, 351448240), (2, 175724120), (4, 87862060), (5, 70289648), (8, 43931030), (10, 35144824), (11, 31949840), (13, 27034480), (16, 21965515), (20, 17572412), (22, 15974920), (26, 13517240), (31, 11337040), (40, 8786206), (44, 7987460), (52, 6758620), (55, 6389968), (62, 5668520), (65, 5406896), (80, 4393103), (88, 3993730), (104, 3379310), (110, 3194984), (124, 2834260), (130, 2703448), (143, 2457680), (155, 2267408), (176, 1996865), (208, 1689655), (220, 1597492), (248, 1417130), (260, 1351724), (286, 1228840), (310, 1133704), (341, 1030640), (403, 872080), (440, 798746), (496, 708565), (520, 675862), (572, 614420), (620, 566852), (682, 515320), (715, 491536), (806, 436040), (880, 399373), (991, 354640), (1040, 337931), (1144, 307210), (1240, 283426), (1364, 257660), (1430, 245768), (1612, 218020), (1705, 206128), (1982, 177320), (2015, 174416), (2288, 153605), (2480, 141713), (2728, 128830), (2860, 122884), (3224, 109010), (3410, 103064), (3964, 88660), (4030, 87208), (4433, 79280), (4955, 70928), (5456, 64415), (5720, 61442), (6448, 54505), (6820, 51532), (7928, 44330), (8060, 43604), (8866, 39640), (9910, 35464), (10901, 32240), (11440, 30721), (12883, 27280), (13640, 25766), (15856, 22165), (16120, 21802), (17732, 19820)]