207698900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:585

約数の個数: 72

約数和(自身を含む): 464970240

約数和(自身を除く): 257271340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 79, 100, 122, 158, 244, 305, 316, 395, 431, 610, 790, 862, 1220, 1525, 1580, 1724, 1975, 2155, 3050, 3950, 4310, 4819, 6100, 7900, 8620, 9638, 10775, 19276, 21550, 24095, 26291, 34049, 43100, 48190, 52582, 68098, 96380, 105164, 120475, 131455, 136196, 170245, 240950, 262910, 340490, 481900, 525820, 657275, 680980, 851225, 1314550, 1702450, 2076989, 2629100, 3404900, 4153978, 8307956, 10384945, 20769890, 41539780, 51924725, 103849450, 207698900]

約数ペア:

[(1, 207698900), (2, 103849450), (4, 51924725), (5, 41539780), (10, 20769890), (20, 10384945), (25, 8307956), (50, 4153978), (61, 3404900), (79, 2629100), (100, 2076989), (122, 1702450), (158, 1314550), (244, 851225), (305, 680980), (316, 657275), (395, 525820), (431, 481900), (610, 340490), (790, 262910), (862, 240950), (1220, 170245), (1525, 136196), (1580, 131455), (1724, 120475), (1975, 105164), (2155, 96380), (3050, 68098), (3950, 52582), (4310, 48190), (4819, 43100), (6100, 34049), (7900, 26291), (8620, 24095), (9638, 21550), (10775, 19276)]