427191700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{947}}^1$

素因数の和:1321

約数の個数: 72

約数和(自身を含む): 1002248352

約数和(自身を除く): 575056652

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 347, 650, 694, 947, 1300, 1388, 1735, 1894, 3470, 3788, 4511, 4735, 6940, 8675, 9022, 9470, 12311, 17350, 18044, 18940, 22555, 23675, 24622, 34700, 45110, 47350, 49244, 61555, 90220, 94700, 112775, 123110, 225550, 246220, 307775, 328609, 451100, 615550, 657218, 1231100, 1314436, 1643045, 3286090, 4271917, 6572180, 8215225, 8543834, 16430450, 17087668, 21359585, 32860900, 42719170, 85438340, 106797925, 213595850, 427191700]

約数ペア:

[(1, 427191700), (2, 213595850), (4, 106797925), (5, 85438340), (10, 42719170), (13, 32860900), (20, 21359585), (25, 17087668), (26, 16430450), (50, 8543834), (52, 8215225), (65, 6572180), (100, 4271917), (130, 3286090), (260, 1643045), (325, 1314436), (347, 1231100), (650, 657218), (694, 615550), (947, 451100), (1300, 328609), (1388, 307775), (1735, 246220), (1894, 225550), (3470, 123110), (3788, 112775), (4511, 94700), (4735, 90220), (6940, 61555), (8675, 49244), (9022, 47350), (9470, 45110), (12311, 34700), (17350, 24622), (18044, 23675), (18940, 22555)]