20120322425

素因数分解:

$5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{7207}}^1$

素因数の和:7327

約数の個数: 72

約数和(自身を含む): 30262009536

約数和(自身を除く): 10141687111

約数列:

[1, 5, 7, 25, 35, 43, 49, 53, 175, 215, 245, 265, 301, 371, 1075, 1225, 1325, 1505, 1855, 2107, 2279, 2597, 7207, 7525, 9275, 10535, 11395, 12985, 15953, 36035, 50449, 52675, 56975, 64925, 79765, 111671, 180175, 252245, 309901, 353143, 381971, 398825, 558355, 1261225, 1549505, 1765715, 1909855, 2169307, 2673797, 2791775, 7747525, 8828575, 9549275, 10846535, 13368985, 15185149, 16424753, 18716579, 54232675, 66844925, 75925745, 82123765, 93582895, 114973271, 379628725, 410618825, 467914475, 574866355, 804812897, 2874331775, 4024064485, 20120322425]

約数ペア:

[(1, 20120322425), (5, 4024064485), (7, 2874331775), (25, 804812897), (35, 574866355), (43, 467914475), (49, 410618825), (53, 379628725), (175, 114973271), (215, 93582895), (245, 82123765), (265, 75925745), (301, 66844925), (371, 54232675), (1075, 18716579), (1225, 16424753), (1325, 15185149), (1505, 13368985), (1855, 10846535), (2107, 9549275), (2279, 8828575), (2597, 7747525), (7207, 2791775), (7525, 2673797), (9275, 2169307), (10535, 1909855), (11395, 1765715), (12985, 1549505), (15953, 1261225), (36035, 558355), (50449, 398825), (52675, 381971), (56975, 353143), (64925, 309901), (79765, 252245), (111671, 180175)]