649220390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:466

約数の個数: 128

約数和(自身を含む): 1512725760

約数和(自身を除く): 863505370

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 73, 91, 130, 145, 146, 182, 203, 290, 337, 365, 377, 406, 455, 511, 674, 730, 754, 910, 949, 1015, 1022, 1685, 1885, 1898, 2030, 2117, 2359, 2555, 2639, 3370, 3770, 4234, 4381, 4718, 4745, 5110, 5278, 6643, 8762, 9490, 9773, 10585, 11795, 13195, 13286, 14819, 19546, 21170, 21905, 23590, 24601, 26390, 27521, 29638, 30667, 33215, 43810, 48865, 49202, 55042, 61334, 66430, 68411, 74095, 97730, 123005, 127049, 136822, 137605, 148190, 153335, 172207, 192647, 246010, 254098, 275210, 306670, 319813, 342055, 344414, 385294, 635245, 639626, 684110, 713429, 861035, 889343, 963235, 1270490, 1426858, 1599065, 1722070, 1778686, 1926470, 2238691, 3198130, 3567145, 4446715, 4477382, 4994003, 7134290, 8893430, 9274577, 9988006, 11193455, 18549154, 22386910, 24970015, 46372885, 49940030, 64922039, 92745770, 129844078, 324610195, 649220390]

約数ペア:

[(1, 649220390), (2, 324610195), (5, 129844078), (7, 92745770), (10, 64922039), (13, 49940030), (14, 46372885), (26, 24970015), (29, 22386910), (35, 18549154), (58, 11193455), (65, 9988006), (70, 9274577), (73, 8893430), (91, 7134290), (130, 4994003), (145, 4477382), (146, 4446715), (182, 3567145), (203, 3198130), (290, 2238691), (337, 1926470), (365, 1778686), (377, 1722070), (406, 1599065), (455, 1426858), (511, 1270490), (674, 963235), (730, 889343), (754, 861035), (910, 713429), (949, 684110), (1015, 639626), (1022, 635245), (1685, 385294), (1885, 344414), (1898, 342055), (2030, 319813), (2117, 306670), (2359, 275210), (2555, 254098), (2639, 246010), (3370, 192647), (3770, 172207), (4234, 153335), (4381, 148190), (4718, 137605), (4745, 136822), (5110, 127049), (5278, 123005), (6643, 97730), (8762, 74095), (9490, 68411), (9773, 66430), (10585, 61334), (11795, 55042), (13195, 49202), (13286, 48865), (14819, 43810), (19546, 33215), (21170, 30667), (21905, 29638), (23590, 27521), (24601, 26390)]