71631450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:557

約数の個数: 144

約数和(自身を含む): 217620000

約数和(自身を除く): 145988550

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 29, 30, 33, 45, 50, 55, 58, 66, 75, 87, 90, 99, 110, 145, 150, 165, 174, 198, 225, 261, 275, 290, 319, 330, 435, 450, 495, 499, 522, 550, 638, 725, 825, 870, 957, 990, 998, 1305, 1450, 1497, 1595, 1650, 1914, 2175, 2475, 2495, 2610, 2871, 2994, 3190, 4350, 4491, 4785, 4950, 4990, 5489, 5742, 6525, 7485, 7975, 8982, 9570, 10978, 12475, 13050, 14355, 14471, 14970, 15950, 16467, 22455, 23925, 24950, 27445, 28710, 28942, 32934, 37425, 43413, 44910, 47850, 49401, 54890, 71775, 72355, 74850, 82335, 86826, 98802, 112275, 130239, 137225, 143550, 144710, 159181, 164670, 217065, 224550, 247005, 260478, 274450, 318362, 361775, 411675, 434130, 477543, 494010, 651195, 723550, 795905, 823350, 955086, 1085325, 1235025, 1302390, 1432629, 1591810, 2170650, 2387715, 2470050, 2865258, 3255975, 3979525, 4775430, 6511950, 7163145, 7959050, 11938575, 14326290, 23877150, 35815725, 71631450]

約数ペア:

[(1, 71631450), (2, 35815725), (3, 23877150), (5, 14326290), (6, 11938575), (9, 7959050), (10, 7163145), (11, 6511950), (15, 4775430), (18, 3979525), (22, 3255975), (25, 2865258), (29, 2470050), (30, 2387715), (33, 2170650), (45, 1591810), (50, 1432629), (55, 1302390), (58, 1235025), (66, 1085325), (75, 955086), (87, 823350), (90, 795905), (99, 723550), (110, 651195), (145, 494010), (150, 477543), (165, 434130), (174, 411675), (198, 361775), (225, 318362), (261, 274450), (275, 260478), (290, 247005), (319, 224550), (330, 217065), (435, 164670), (450, 159181), (495, 144710), (499, 143550), (522, 137225), (550, 130239), (638, 112275), (725, 98802), (825, 86826), (870, 82335), (957, 74850), (990, 72355), (998, 71775), (1305, 54890), (1450, 49401), (1497, 47850), (1595, 44910), (1650, 43413), (1914, 37425), (2175, 32934), (2475, 28942), (2495, 28710), (2610, 27445), (2871, 24950), (2994, 23925), (3190, 22455), (4350, 16467), (4491, 15950), (4785, 14970), (4950, 14471), (4990, 14355), (5489, 13050), (5742, 12475), (6525, 10978), (7485, 9570), (7975, 8982)]