1938969852040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{219340481}}^1$

素因数の和:219340522

約数の個数: 64

約数和(自身を含む): 4974642131760

約数和(自身を除く): 3035672279720

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 219340481, 438680962, 877361924, 1096702405, 1754723848, 2193404810, 2851426253, 3728788177, 4386809620, 5702852506, 7457576354, 8773619240, 11405705012, 14257131265, 14915152708, 18643940885, 22811410024, 28514262530, 29830305416, 37287881770, 48474246301, 57028525060, 74575763540, 96948492602, 114057050120, 149151527080, 193896985204, 242371231505, 387793970408, 484742463010, 969484926020, 1938969852040]

約数ペア:

[(1, 1938969852040), (2, 969484926020), (4, 484742463010), (5, 387793970408), (8, 242371231505), (10, 193896985204), (13, 149151527080), (17, 114057050120), (20, 96948492602), (26, 74575763540), (34, 57028525060), (40, 48474246301), (52, 37287881770), (65, 29830305416), (68, 28514262530), (85, 22811410024), (104, 18643940885), (130, 14915152708), (136, 14257131265), (170, 11405705012), (221, 8773619240), (260, 7457576354), (340, 5702852506), (442, 4386809620), (520, 3728788177), (680, 2851426253), (884, 2193404810), (1105, 1754723848), (1768, 1096702405), (2210, 877361924), (4420, 438680962), (8840, 219340481)]