2090910010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{2477}}^1$

素因数の和:2911

約数の個数: 64

約数和(自身を含む): 4453263360

約数和(自身を除く): 2362353350

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 389, 434, 778, 1085, 1945, 2170, 2477, 2723, 3890, 4954, 5446, 12059, 12385, 13615, 17339, 24118, 24770, 27230, 34678, 60295, 76787, 84413, 86695, 120590, 153574, 168826, 173390, 383935, 422065, 537509, 767870, 844130, 963553, 1075018, 1927106, 2687545, 4817765, 5375090, 6744871, 9635530, 13489742, 29870143, 33724355, 59740286, 67448710, 149350715, 209091001, 298701430, 418182002, 1045455005, 2090910010]

約数ペア:

[(1, 2090910010), (2, 1045455005), (5, 418182002), (7, 298701430), (10, 209091001), (14, 149350715), (31, 67448710), (35, 59740286), (62, 33724355), (70, 29870143), (155, 13489742), (217, 9635530), (310, 6744871), (389, 5375090), (434, 4817765), (778, 2687545), (1085, 1927106), (1945, 1075018), (2170, 963553), (2477, 844130), (2723, 767870), (3890, 537509), (4954, 422065), (5446, 383935), (12059, 173390), (12385, 168826), (13615, 153574), (17339, 120590), (24118, 86695), (24770, 84413), (27230, 76787), (34678, 60295)]