8991640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1889}}^1$

素因数の和:1924

約数の個数: 64

約数和(自身を含む): 24494400

約数和(自身を除く): 15502760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 1889, 2380, 3778, 4760, 7556, 9445, 13223, 15112, 18890, 26446, 32113, 37780, 52892, 64226, 66115, 75560, 105784, 128452, 132230, 160565, 224791, 256904, 264460, 321130, 449582, 528920, 642260, 899164, 1123955, 1284520, 1798328, 2247910, 4495820, 8991640]

約数ペア:

[(1, 8991640), (2, 4495820), (4, 2247910), (5, 1798328), (7, 1284520), (8, 1123955), (10, 899164), (14, 642260), (17, 528920), (20, 449582), (28, 321130), (34, 264460), (35, 256904), (40, 224791), (56, 160565), (68, 132230), (70, 128452), (85, 105784), (119, 75560), (136, 66115), (140, 64226), (170, 52892), (238, 37780), (280, 32113), (340, 26446), (476, 18890), (595, 15112), (680, 13223), (952, 9445), (1190, 7556), (1889, 4760), (2380, 3778)]