1997698900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37907}}^1$

素因数の和:37969

約数の個数: 72

約数和(自身を含む): 4738196736

約数和(自身を除く): 2740497836

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 170, 310, 340, 425, 527, 620, 775, 850, 1054, 1550, 1700, 2108, 2635, 3100, 5270, 10540, 13175, 26350, 37907, 52700, 75814, 151628, 189535, 379070, 644419, 758140, 947675, 1175117, 1288838, 1895350, 2350234, 2577676, 3222095, 3790700, 4700468, 5875585, 6444190, 11751170, 12888380, 16110475, 19976989, 23502340, 29377925, 32220950, 39953978, 58755850, 64441900, 79907956, 99884945, 117511700, 199769890, 399539780, 499424725, 998849450, 1997698900]

約数ペア:

[(1, 1997698900), (2, 998849450), (4, 499424725), (5, 399539780), (10, 199769890), (17, 117511700), (20, 99884945), (25, 79907956), (31, 64441900), (34, 58755850), (50, 39953978), (62, 32220950), (68, 29377925), (85, 23502340), (100, 19976989), (124, 16110475), (155, 12888380), (170, 11751170), (310, 6444190), (340, 5875585), (425, 4700468), (527, 3790700), (620, 3222095), (775, 2577676), (850, 2350234), (1054, 1895350), (1550, 1288838), (1700, 1175117), (2108, 947675), (2635, 758140), (3100, 644419), (5270, 379070), (10540, 189535), (13175, 151628), (26350, 75814), (37907, 52700)]