193775140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{947}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 439250112

約数和(自身を除く): 245474972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 787, 947, 1574, 1894, 3148, 3788, 3935, 4735, 7870, 9470, 10231, 12311, 15740, 18940, 20462, 24622, 40924, 49244, 51155, 61555, 102310, 123110, 204620, 246220, 745289, 1490578, 2981156, 3726445, 7452890, 9688757, 14905780, 19377514, 38755028, 48443785, 96887570, 193775140]

約数ペア:

[(1, 193775140), (2, 96887570), (4, 48443785), (5, 38755028), (10, 19377514), (13, 14905780), (20, 9688757), (26, 7452890), (52, 3726445), (65, 2981156), (130, 1490578), (260, 745289), (787, 246220), (947, 204620), (1574, 123110), (1894, 102310), (3148, 61555), (3788, 51155), (3935, 49244), (4735, 40924), (7870, 24622), (9470, 20462), (10231, 18940), (12311, 15740)]