716939540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{26573}}^1$

素因数の和:26672

約数の個数: 48

約数和(自身を含む): 1607195520

約数和(自身を除く): 890255980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6745, 13490, 26573, 26980, 53146, 106292, 132865, 265730, 504887, 531460, 1009774, 1886683, 2019548, 2524435, 3773366, 5048870, 7546732, 9433415, 10097740, 18866830, 35846977, 37733660, 71693954, 143387908, 179234885, 358469770, 716939540]

約数ペア:

[(1, 716939540), (2, 358469770), (4, 179234885), (5, 143387908), (10, 71693954), (19, 37733660), (20, 35846977), (38, 18866830), (71, 10097740), (76, 9433415), (95, 7546732), (142, 5048870), (190, 3773366), (284, 2524435), (355, 2019548), (380, 1886683), (710, 1009774), (1349, 531460), (1420, 504887), (2698, 265730), (5396, 132865), (6745, 106292), (13490, 53146), (26573, 26980)]