1399970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 3016440

約数和(自身を除く): 1616470

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 89, 110, 121, 130, 143, 178, 242, 286, 445, 605, 715, 890, 979, 1157, 1210, 1430, 1573, 1958, 2314, 3146, 4895, 5785, 7865, 9790, 10769, 11570, 12727, 15730, 21538, 25454, 53845, 63635, 107690, 127270, 139997, 279994, 699985, 1399970]

約数ペア:

[(1, 1399970), (2, 699985), (5, 279994), (10, 139997), (11, 127270), (13, 107690), (22, 63635), (26, 53845), (55, 25454), (65, 21538), (89, 15730), (110, 12727), (121, 11570), (130, 10769), (143, 9790), (178, 7865), (242, 5785), (286, 4895), (445, 3146), (605, 2314), (715, 1958), (890, 1573), (979, 1430), (1157, 1210)]