418219880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21737}}^1$

素因数の和:21798

約数の個数: 64

約数和(自身を含む): 1040815440

約数和(自身を除く): 622595560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 19240, 21737, 43474, 86948, 108685, 173896, 217370, 282581, 434740, 565162, 804269, 869480, 1130324, 1412905, 1608538, 2260648, 2825810, 3217076, 4021345, 5651620, 6434152, 8042690, 10455497, 11303240, 16085380, 20910994, 32170760, 41821988, 52277485, 83643976, 104554970, 209109940, 418219880]

約数ペア:

[(1, 418219880), (2, 209109940), (4, 104554970), (5, 83643976), (8, 52277485), (10, 41821988), (13, 32170760), (20, 20910994), (26, 16085380), (37, 11303240), (40, 10455497), (52, 8042690), (65, 6434152), (74, 5651620), (104, 4021345), (130, 3217076), (148, 2825810), (185, 2260648), (260, 1608538), (296, 1412905), (370, 1130324), (481, 869480), (520, 804269), (740, 565162), (962, 434740), (1480, 282581), (1924, 217370), (2405, 173896), (3848, 108685), (4810, 86948), (9620, 43474), (19240, 21737)]