212293840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12697}}^1$

素因数の和:12740

約数の個数: 80

約数和(自身を含む): 566838720

約数和(自身を除く): 354544880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 12697, 16720, 25394, 50788, 63485, 101576, 126970, 139667, 203152, 241243, 253940, 279334, 482486, 507880, 558668, 698335, 964972, 1015760, 1117336, 1206215, 1396670, 1929944, 2234672, 2412430, 2653673, 2793340, 3859888, 4824860, 5307346, 5586680, 9649720, 10614692, 11173360, 13268365, 19299440, 21229384, 26536730, 42458768, 53073460, 106146920, 212293840]

約数ペア:

[(1, 212293840), (2, 106146920), (4, 53073460), (5, 42458768), (8, 26536730), (10, 21229384), (11, 19299440), (16, 13268365), (19, 11173360), (20, 10614692), (22, 9649720), (38, 5586680), (40, 5307346), (44, 4824860), (55, 3859888), (76, 2793340), (80, 2653673), (88, 2412430), (95, 2234672), (110, 1929944), (152, 1396670), (176, 1206215), (190, 1117336), (209, 1015760), (220, 964972), (304, 698335), (380, 558668), (418, 507880), (440, 482486), (760, 279334), (836, 253940), (880, 241243), (1045, 203152), (1520, 139667), (1672, 126970), (2090, 101576), (3344, 63485), (4180, 50788), (8360, 25394), (12697, 16720)]