397495280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54601}}^1$

素因数の和:54634

約数の個数: 80

約数和(自身を含む): 1137468864

約数和(自身を除く): 739973584

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 54601, 109202, 218404, 273005, 382207, 436808, 546010, 709813, 764414, 873616, 1092020, 1419626, 1528828, 1911035, 2184040, 2839252, 3057656, 3549065, 3822070, 4368080, 4968691, 5678504, 6115312, 7098130, 7644140, 9937382, 11357008, 14196260, 15288280, 19874764, 24843455, 28392520, 30576560, 39749528, 49686910, 56785040, 79499056, 99373820, 198747640, 397495280]

約数ペア:

[(1, 397495280), (2, 198747640), (4, 99373820), (5, 79499056), (7, 56785040), (8, 49686910), (10, 39749528), (13, 30576560), (14, 28392520), (16, 24843455), (20, 19874764), (26, 15288280), (28, 14196260), (35, 11357008), (40, 9937382), (52, 7644140), (56, 7098130), (65, 6115312), (70, 5678504), (80, 4968691), (91, 4368080), (104, 3822070), (112, 3549065), (130, 3057656), (140, 2839252), (182, 2184040), (208, 1911035), (260, 1528828), (280, 1419626), (364, 1092020), (455, 873616), (520, 764414), (560, 709813), (728, 546010), (910, 436808), (1040, 382207), (1456, 273005), (1820, 218404), (3640, 109202), (7280, 54601)]