669421870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271021}}^1$

素因数の和:271060

約数の個数: 32

約数和(自身を含む): 1365950880

約数和(自身を除く): 696529010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 271021, 542042, 1355105, 2710210, 3523273, 5149399, 7046546, 10298798, 17616365, 25746995, 35232730, 51493990, 66942187, 133884374, 334710935, 669421870]

約数ペア:

[(1, 669421870), (2, 334710935), (5, 133884374), (10, 66942187), (13, 51493990), (19, 35232730), (26, 25746995), (38, 17616365), (65, 10298798), (95, 7046546), (130, 5149399), (190, 3523273), (247, 2710210), (494, 1355105), (1235, 542042), (2470, 271021)]