84866840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:900

約数の個数: 64

約数和(自身を含む): 199584000

約数和(自身を除く): 114717160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 178, 248, 310, 356, 445, 620, 712, 769, 890, 1240, 1538, 1780, 2759, 3076, 3560, 3845, 5518, 6152, 7690, 11036, 13795, 15380, 22072, 23839, 27590, 30760, 47678, 55180, 68441, 95356, 110360, 119195, 136882, 190712, 238390, 273764, 342205, 476780, 547528, 684410, 953560, 1368820, 2121671, 2737640, 4243342, 8486684, 10608355, 16973368, 21216710, 42433420, 84866840]

約数ペア:

[(1, 84866840), (2, 42433420), (4, 21216710), (5, 16973368), (8, 10608355), (10, 8486684), (20, 4243342), (31, 2737640), (40, 2121671), (62, 1368820), (89, 953560), (124, 684410), (155, 547528), (178, 476780), (248, 342205), (310, 273764), (356, 238390), (445, 190712), (620, 136882), (712, 119195), (769, 110360), (890, 95356), (1240, 68441), (1538, 55180), (1780, 47678), (2759, 30760), (3076, 27590), (3560, 23839), (3845, 22072), (5518, 15380), (6152, 13795), (7690, 11036)]