390449836

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 827366400

約数和(自身を除く): 436916564

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 179, 196, 217, 358, 359, 434, 716, 718, 868, 1253, 1436, 1519, 2506, 2513, 3038, 5012, 5026, 5549, 6076, 8771, 10052, 11098, 11129, 17542, 17591, 22196, 22258, 35084, 35182, 38843, 44516, 64261, 70364, 77686, 77903, 128522, 155372, 155806, 257044, 271901, 311612, 449827, 543802, 545321, 899654, 1087604, 1090642, 1799308, 1992091, 2181284, 3148789, 3984182, 6297578, 7968364, 12595156, 13944637, 27889274, 55778548, 97612459, 195224918, 390449836]

約数ペア:

[(1, 390449836), (2, 195224918), (4, 97612459), (7, 55778548), (14, 27889274), (28, 13944637), (31, 12595156), (49, 7968364), (62, 6297578), (98, 3984182), (124, 3148789), (179, 2181284), (196, 1992091), (217, 1799308), (358, 1090642), (359, 1087604), (434, 899654), (716, 545321), (718, 543802), (868, 449827), (1253, 311612), (1436, 271901), (1519, 257044), (2506, 155806), (2513, 155372), (3038, 128522), (5012, 77903), (5026, 77686), (5549, 70364), (6076, 64261), (8771, 44516), (10052, 38843), (11098, 35182), (11129, 35084), (17542, 22258), (17591, 22196)]