90439090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 195084288

約数和(自身を除く): 104645198

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 71, 142, 155, 217, 310, 355, 434, 497, 587, 710, 994, 1085, 1174, 2170, 2201, 2485, 2935, 4109, 4402, 4970, 5870, 8218, 11005, 15407, 18197, 20545, 22010, 30814, 36394, 41090, 41677, 77035, 83354, 90985, 127379, 154070, 181970, 208385, 254758, 291739, 416770, 583478, 636895, 1273790, 1291987, 1458695, 2583974, 2917390, 6459935, 9043909, 12919870, 18087818, 45219545, 90439090]

約数ペア:

[(1, 90439090), (2, 45219545), (5, 18087818), (7, 12919870), (10, 9043909), (14, 6459935), (31, 2917390), (35, 2583974), (62, 1458695), (70, 1291987), (71, 1273790), (142, 636895), (155, 583478), (217, 416770), (310, 291739), (355, 254758), (434, 208385), (497, 181970), (587, 154070), (710, 127379), (994, 90985), (1085, 83354), (1174, 77035), (2170, 41677), (2201, 41090), (2485, 36394), (2935, 30814), (4109, 22010), (4402, 20545), (4970, 18197), (5870, 15407), (8218, 11005)]