90389800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 221414400

約数和(自身を除く): 131024600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 61, 62, 100, 122, 124, 155, 200, 239, 244, 248, 305, 310, 478, 488, 610, 620, 775, 956, 1195, 1220, 1240, 1525, 1550, 1891, 1912, 2390, 2440, 3050, 3100, 3782, 4780, 5975, 6100, 6200, 7409, 7564, 9455, 9560, 11950, 12200, 14579, 14818, 15128, 18910, 23900, 29158, 29636, 37045, 37820, 47275, 47800, 58316, 59272, 72895, 74090, 75640, 94550, 116632, 145790, 148180, 185225, 189100, 291580, 296360, 364475, 370450, 378200, 451949, 583160, 728950, 740900, 903898, 1457900, 1481800, 1807796, 2259745, 2915800, 3615592, 4519490, 9038980, 11298725, 18077960, 22597450, 45194900, 90389800]

約数ペア:

[(1, 90389800), (2, 45194900), (4, 22597450), (5, 18077960), (8, 11298725), (10, 9038980), (20, 4519490), (25, 3615592), (31, 2915800), (40, 2259745), (50, 1807796), (61, 1481800), (62, 1457900), (100, 903898), (122, 740900), (124, 728950), (155, 583160), (200, 451949), (239, 378200), (244, 370450), (248, 364475), (305, 296360), (310, 291580), (478, 189100), (488, 185225), (610, 148180), (620, 145790), (775, 116632), (956, 94550), (1195, 75640), (1220, 74090), (1240, 72895), (1525, 59272), (1550, 58316), (1891, 47800), (1912, 47275), (2390, 37820), (2440, 37045), (3050, 29636), (3100, 29158), (3782, 23900), (4780, 18910), (5975, 15128), (6100, 14818), (6200, 14579), (7409, 12200), (7564, 11950), (9455, 9560)]