381406960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2659}}^1$

素因数の和:2846

約数の個数: 80

約数和(自身を含む): 973687680

約数和(自身を除く): 592280720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 163, 176, 220, 326, 440, 652, 815, 880, 1304, 1630, 1793, 2608, 2659, 3260, 3586, 5318, 6520, 7172, 8965, 10636, 13040, 13295, 14344, 17930, 21272, 26590, 28688, 29249, 35860, 42544, 53180, 58498, 71720, 106360, 116996, 143440, 146245, 212720, 233992, 292490, 433417, 467984, 584980, 866834, 1169960, 1733668, 2167085, 2339920, 3467336, 4334170, 4767587, 6934672, 8668340, 9535174, 17336680, 19070348, 23837935, 34673360, 38140696, 47675870, 76281392, 95351740, 190703480, 381406960]

約数ペア:

[(1, 381406960), (2, 190703480), (4, 95351740), (5, 76281392), (8, 47675870), (10, 38140696), (11, 34673360), (16, 23837935), (20, 19070348), (22, 17336680), (40, 9535174), (44, 8668340), (55, 6934672), (80, 4767587), (88, 4334170), (110, 3467336), (163, 2339920), (176, 2167085), (220, 1733668), (326, 1169960), (440, 866834), (652, 584980), (815, 467984), (880, 433417), (1304, 292490), (1630, 233992), (1793, 212720), (2608, 146245), (2659, 143440), (3260, 116996), (3586, 106360), (5318, 71720), (6520, 58498), (7172, 53180), (8965, 42544), (10636, 35860), (13040, 29249), (13295, 28688), (14344, 26590), (17930, 21272)]