2154173840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{295903}}^1$

素因数の和:295936

約数の個数: 80

約数和(自身を含む): 6164272128

約数和(自身を除く): 4010098288

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, 295903, 591806, 1183612, 1479515, 2071321, 2367224, 2959030, 3846739, 4142642, 4734448, 5918060, 7693478, 8285284, 10356605, 11836120, 15386956, 16570568, 19233695, 20713210, 23672240, 26927173, 30773912, 33141136, 38467390, 41426420, 53854346, 61547824, 76934780, 82852840, 107708692, 134635865, 153869560, 165705680, 215417384, 269271730, 307739120, 430834768, 538543460, 1077086920, 2154173840]

約数ペア:

[(1, 2154173840), (2, 1077086920), (4, 538543460), (5, 430834768), (7, 307739120), (8, 269271730), (10, 215417384), (13, 165705680), (14, 153869560), (16, 134635865), (20, 107708692), (26, 82852840), (28, 76934780), (35, 61547824), (40, 53854346), (52, 41426420), (56, 38467390), (65, 33141136), (70, 30773912), (80, 26927173), (91, 23672240), (104, 20713210), (112, 19233695), (130, 16570568), (140, 15386956), (182, 11836120), (208, 10356605), (260, 8285284), (280, 7693478), (364, 5918060), (455, 4734448), (520, 4142642), (560, 3846739), (728, 2959030), (910, 2367224), (1040, 2071321), (1456, 1479515), (1820, 1183612), (3640, 591806), (7280, 295903)]