23453980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 35251940

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 181, 190, 209, 220, 310, 341, 362, 380, 418, 589, 620, 682, 724, 836, 905, 1045, 1178, 1364, 1705, 1810, 1991, 2090, 2356, 2945, 3410, 3439, 3620, 3982, 4180, 5611, 5890, 6479, 6820, 6878, 7964, 9955, 11222, 11780, 12958, 13756, 17195, 19910, 22444, 25916, 28055, 32395, 34390, 37829, 39820, 56110, 61721, 64790, 68780, 75658, 106609, 112220, 123442, 129580, 151316, 189145, 213218, 246884, 308605, 378290, 426436, 533045, 617210, 756580, 1066090, 1172699, 1234420, 2132180, 2345398, 4690796, 5863495, 11726990, 23453980]

約数ペア:

[(1, 23453980), (2, 11726990), (4, 5863495), (5, 4690796), (10, 2345398), (11, 2132180), (19, 1234420), (20, 1172699), (22, 1066090), (31, 756580), (38, 617210), (44, 533045), (55, 426436), (62, 378290), (76, 308605), (95, 246884), (110, 213218), (124, 189145), (155, 151316), (181, 129580), (190, 123442), (209, 112220), (220, 106609), (310, 75658), (341, 68780), (362, 64790), (380, 61721), (418, 56110), (589, 39820), (620, 37829), (682, 34390), (724, 32395), (836, 28055), (905, 25916), (1045, 22444), (1178, 19910), (1364, 17195), (1705, 13756), (1810, 12958), (1991, 11780), (2090, 11222), (2356, 9955), (2945, 7964), (3410, 6878), (3439, 6820), (3620, 6479), (3982, 5890), (4180, 5611)]