156937910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{1021}}^1$

素因数の和:1856

約数の個数: 32

約数和(自身を含む): 298015200

約数和(自身を除く): 141077290

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 809, 1021, 1618, 2042, 4045, 5105, 8090, 10210, 15371, 19399, 30742, 38798, 76855, 96995, 153710, 193990, 825989, 1651978, 4129945, 8259890, 15693791, 31387582, 78468955, 156937910]

約数ペア:

[(1, 156937910), (2, 78468955), (5, 31387582), (10, 15693791), (19, 8259890), (38, 4129945), (95, 1651978), (190, 825989), (809, 193990), (1021, 153710), (1618, 96995), (2042, 76855), (4045, 38798), (5105, 30742), (8090, 19399), (10210, 15371)]