156775820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{683}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 344736000

約数和(自身を除く): 187960180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 499, 683, 998, 1366, 1996, 2495, 2732, 3415, 4990, 6830, 9980, 11477, 13660, 15709, 22954, 31418, 45908, 57385, 62836, 78545, 114770, 157090, 229540, 314180, 340817, 681634, 1363268, 1704085, 3408170, 6816340, 7838791, 15677582, 31355164, 39193955, 78387910, 156775820]

約数ペア:

[(1, 156775820), (2, 78387910), (4, 39193955), (5, 31355164), (10, 15677582), (20, 7838791), (23, 6816340), (46, 3408170), (92, 1704085), (115, 1363268), (230, 681634), (460, 340817), (499, 314180), (683, 229540), (998, 157090), (1366, 114770), (1996, 78545), (2495, 62836), (2732, 57385), (3415, 45908), (4990, 31418), (6830, 22954), (9980, 15709), (11477, 13660)]