227948890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 484876800

約数和(自身を除く): 256927910

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 130, 155, 169, 190, 229, 247, 310, 338, 403, 458, 494, 589, 806, 845, 1145, 1178, 1235, 1690, 2015, 2290, 2470, 2945, 2977, 3211, 4030, 4351, 5239, 5890, 5954, 6422, 7099, 7657, 8702, 10478, 14198, 14885, 15314, 16055, 21755, 26195, 29770, 32110, 35495, 38285, 38701, 43510, 52390, 56563, 70990, 76570, 77402, 92287, 99541, 113126, 134881, 184574, 193505, 199082, 269762, 282815, 387010, 461435, 497705, 565630, 674405, 735319, 922870, 995410, 1199731, 1348810, 1470638, 1753453, 2399462, 3506906, 3676595, 5998655, 7353190, 8767265, 11997310, 17534530, 22794889, 45589778, 113974445, 227948890]

約数ペア:

[(1, 227948890), (2, 113974445), (5, 45589778), (10, 22794889), (13, 17534530), (19, 11997310), (26, 8767265), (31, 7353190), (38, 5998655), (62, 3676595), (65, 3506906), (95, 2399462), (130, 1753453), (155, 1470638), (169, 1348810), (190, 1199731), (229, 995410), (247, 922870), (310, 735319), (338, 674405), (403, 565630), (458, 497705), (494, 461435), (589, 387010), (806, 282815), (845, 269762), (1145, 199082), (1178, 193505), (1235, 184574), (1690, 134881), (2015, 113126), (2290, 99541), (2470, 92287), (2945, 77402), (2977, 76570), (3211, 70990), (4030, 56563), (4351, 52390), (5239, 43510), (5890, 38701), (5954, 38285), (6422, 35495), (7099, 32110), (7657, 29770), (8702, 26195), (10478, 21755), (14198, 16055), (14885, 15314)]