289791320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79613}}^1$

素因数の和:79644

約数の個数: 64

約数和(自身を含む): 802509120

約数和(自身を除く): 512717800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 79613, 159226, 318452, 398065, 557291, 636904, 796130, 1034969, 1114582, 1592260, 2069938, 2229164, 2786455, 3184520, 4139876, 4458328, 5174845, 5572910, 7244783, 8279752, 10349690, 11145820, 14489566, 20699380, 22291640, 28979132, 36223915, 41398760, 57958264, 72447830, 144895660, 289791320]

約数ペア:

[(1, 289791320), (2, 144895660), (4, 72447830), (5, 57958264), (7, 41398760), (8, 36223915), (10, 28979132), (13, 22291640), (14, 20699380), (20, 14489566), (26, 11145820), (28, 10349690), (35, 8279752), (40, 7244783), (52, 5572910), (56, 5174845), (65, 4458328), (70, 4139876), (91, 3184520), (104, 2786455), (130, 2229164), (140, 2069938), (182, 1592260), (260, 1114582), (280, 1034969), (364, 796130), (455, 636904), (520, 557291), (728, 398065), (910, 318452), (1820, 159226), (3640, 79613)]