87650920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4409}}^1$

素因数の和:4498

約数の個数: 64

約数和(自身を含む): 228614400

約数和(自身を除く): 140963480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4409, 4970, 8818, 9940, 17636, 19880, 22045, 30863, 35272, 44090, 61726, 88180, 123452, 154315, 176360, 246904, 308630, 313039, 617260, 626078, 1234520, 1252156, 1565195, 2191273, 2504312, 3130390, 4382546, 6260780, 8765092, 10956365, 12521560, 17530184, 21912730, 43825460, 87650920]

約数ペア:

[(1, 87650920), (2, 43825460), (4, 21912730), (5, 17530184), (7, 12521560), (8, 10956365), (10, 8765092), (14, 6260780), (20, 4382546), (28, 3130390), (35, 2504312), (40, 2191273), (56, 1565195), (70, 1252156), (71, 1234520), (140, 626078), (142, 617260), (280, 313039), (284, 308630), (355, 246904), (497, 176360), (568, 154315), (710, 123452), (994, 88180), (1420, 61726), (1988, 44090), (2485, 35272), (2840, 30863), (3976, 22045), (4409, 19880), (4970, 17636), (8818, 9940)]