219399310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 439346880

約数和(自身を除く): 219947570

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 73, 122, 130, 146, 305, 365, 379, 610, 730, 758, 793, 949, 1586, 1895, 1898, 3790, 3965, 4453, 4745, 4927, 7930, 8906, 9490, 9854, 22265, 23119, 24635, 27667, 44530, 46238, 49270, 55334, 57889, 115595, 115778, 138335, 231190, 276670, 289445, 300547, 359671, 578890, 601094, 719342, 1502735, 1687687, 1798355, 3005470, 3375374, 3596710, 8438435, 16876870, 21939931, 43879862, 109699655, 219399310]

約数ペア:

[(1, 219399310), (2, 109699655), (5, 43879862), (10, 21939931), (13, 16876870), (26, 8438435), (61, 3596710), (65, 3375374), (73, 3005470), (122, 1798355), (130, 1687687), (146, 1502735), (305, 719342), (365, 601094), (379, 578890), (610, 359671), (730, 300547), (758, 289445), (793, 276670), (949, 231190), (1586, 138335), (1895, 115778), (1898, 115595), (3790, 57889), (3965, 55334), (4453, 49270), (4745, 46238), (4927, 44530), (7930, 27667), (8906, 24635), (9490, 23119), (9854, 22265)]