208237029160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{427451}}^1$

素因数の和:428122

約数の個数: 64

約数和(自身を含む): 493963531200

約数和(自身を除く): 285726502040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 641, 760, 1282, 2564, 3205, 5128, 6410, 12179, 12820, 24358, 25640, 48716, 60895, 97432, 121790, 243580, 427451, 487160, 854902, 1709804, 2137255, 3419608, 4274510, 8121569, 8549020, 16243138, 17098040, 32486276, 40607845, 64972552, 81215690, 162431380, 273996091, 324862760, 547992182, 1095984364, 1369980455, 2191968728, 2739960910, 5205925729, 5479921820, 10411851458, 10959843640, 20823702916, 26029628645, 41647405832, 52059257290, 104118514580, 208237029160]

約数ペア:

[(1, 208237029160), (2, 104118514580), (4, 52059257290), (5, 41647405832), (8, 26029628645), (10, 20823702916), (19, 10959843640), (20, 10411851458), (38, 5479921820), (40, 5205925729), (76, 2739960910), (95, 2191968728), (152, 1369980455), (190, 1095984364), (380, 547992182), (641, 324862760), (760, 273996091), (1282, 162431380), (2564, 81215690), (3205, 64972552), (5128, 40607845), (6410, 32486276), (12179, 17098040), (12820, 16243138), (24358, 8549020), (25640, 8121569), (48716, 4274510), (60895, 3419608), (97432, 2137255), (121790, 1709804), (243580, 854902), (427451, 487160)]