201978400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19421}}^1$

素因数の和:19454

約数の個数: 72

約数和(自身を含む): 531036324

約数和(自身を除く): 329057924

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 19421, 38842, 77684, 97105, 155368, 194210, 252473, 310736, 388420, 485525, 504946, 621472, 776840, 971050, 1009892, 1262365, 1553680, 1942100, 2019784, 2524730, 3107360, 3884200, 4039568, 5049460, 6311825, 7768400, 8079136, 10098920, 12623650, 15536800, 20197840, 25247300, 40395680, 50494600, 100989200, 201978400]

約数ペア:

[(1, 201978400), (2, 100989200), (4, 50494600), (5, 40395680), (8, 25247300), (10, 20197840), (13, 15536800), (16, 12623650), (20, 10098920), (25, 8079136), (26, 7768400), (32, 6311825), (40, 5049460), (50, 4039568), (52, 3884200), (65, 3107360), (80, 2524730), (100, 2019784), (104, 1942100), (130, 1553680), (160, 1262365), (200, 1009892), (208, 971050), (260, 776840), (325, 621472), (400, 504946), (416, 485525), (520, 388420), (650, 310736), (800, 252473), (1040, 194210), (1300, 155368), (2080, 97105), (2600, 77684), (5200, 38842), (10400, 19421)]