290990800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{757}}^1$

素因数の和:837

約数の個数: 90

約数和(自身を含む): 723338934

約数和(自身を除く): 432348134

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 757, 775, 961, 1240, 1514, 1550, 1922, 2480, 3028, 3100, 3785, 3844, 4805, 6056, 6200, 7570, 7688, 9610, 12112, 12400, 15140, 15376, 18925, 19220, 23467, 24025, 30280, 37850, 38440, 46934, 48050, 60560, 75700, 76880, 93868, 96100, 117335, 151400, 187736, 192200, 234670, 302800, 375472, 384400, 469340, 586675, 727477, 938680, 1173350, 1454954, 1877360, 2346700, 2909908, 3637385, 4693400, 5819816, 7274770, 9386800, 11639632, 14549540, 18186925, 29099080, 36373850, 58198160, 72747700, 145495400, 290990800]

約数ペア:

[(1, 290990800), (2, 145495400), (4, 72747700), (5, 58198160), (8, 36373850), (10, 29099080), (16, 18186925), (20, 14549540), (25, 11639632), (31, 9386800), (40, 7274770), (50, 5819816), (62, 4693400), (80, 3637385), (100, 2909908), (124, 2346700), (155, 1877360), (200, 1454954), (248, 1173350), (310, 938680), (400, 727477), (496, 586675), (620, 469340), (757, 384400), (775, 375472), (961, 302800), (1240, 234670), (1514, 192200), (1550, 187736), (1922, 151400), (2480, 117335), (3028, 96100), (3100, 93868), (3785, 76880), (3844, 75700), (4805, 60560), (6056, 48050), (6200, 46934), (7570, 38440), (7688, 37850), (9610, 30280), (12112, 24025), (12400, 23467), (15140, 19220), (15376, 18925)]