156876140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{863}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 337478400

約数和(自身を除く): 180602260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 149, 244, 298, 305, 596, 610, 745, 863, 1220, 1490, 1726, 2980, 3452, 4315, 8630, 9089, 17260, 18178, 36356, 45445, 52643, 90890, 105286, 128587, 181780, 210572, 257174, 263215, 514348, 526430, 642935, 1052860, 1285870, 2571740, 7843807, 15687614, 31375228, 39219035, 78438070, 156876140]

約数ペア:

[(1, 156876140), (2, 78438070), (4, 39219035), (5, 31375228), (10, 15687614), (20, 7843807), (61, 2571740), (122, 1285870), (149, 1052860), (244, 642935), (298, 526430), (305, 514348), (596, 263215), (610, 257174), (745, 210572), (863, 181780), (1220, 128587), (1490, 105286), (1726, 90890), (2980, 52643), (3452, 45445), (4315, 36356), (8630, 18178), (9089, 17260)]