308695220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1459}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 662256000

約数和(自身を除く): 353560780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 149, 284, 298, 355, 596, 710, 745, 1420, 1459, 1490, 2918, 2980, 5836, 7295, 10579, 14590, 21158, 29180, 42316, 52895, 103589, 105790, 207178, 211580, 217391, 414356, 434782, 517945, 869564, 1035890, 1086955, 2071780, 2173910, 4347820, 15434761, 30869522, 61739044, 77173805, 154347610, 308695220]

約数ペア:

[(1, 308695220), (2, 154347610), (4, 77173805), (5, 61739044), (10, 30869522), (20, 15434761), (71, 4347820), (142, 2173910), (149, 2071780), (284, 1086955), (298, 1035890), (355, 869564), (596, 517945), (710, 434782), (745, 414356), (1420, 217391), (1459, 211580), (1490, 207178), (2918, 105790), (2980, 103589), (5836, 52895), (7295, 42316), (10579, 29180), (14590, 21158)]