313717880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12589}}^1$

素因数の和:12696

約数の個数: 64

約数和(自身を含む): 815832000

約数和(自身を除く): 502114120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 12460, 12589, 24920, 25178, 50356, 62945, 88123, 100712, 125890, 176246, 251780, 352492, 440615, 503560, 704984, 881230, 1120421, 1762460, 2240842, 3524920, 4481684, 5602105, 7842947, 8963368, 11204210, 15685894, 22408420, 31371788, 39214735, 44816840, 62743576, 78429470, 156858940, 313717880]

約数ペア:

[(1, 313717880), (2, 156858940), (4, 78429470), (5, 62743576), (7, 44816840), (8, 39214735), (10, 31371788), (14, 22408420), (20, 15685894), (28, 11204210), (35, 8963368), (40, 7842947), (56, 5602105), (70, 4481684), (89, 3524920), (140, 2240842), (178, 1762460), (280, 1120421), (356, 881230), (445, 704984), (623, 503560), (712, 440615), (890, 352492), (1246, 251780), (1780, 176246), (2492, 125890), (3115, 100712), (3560, 88123), (4984, 62945), (6230, 50356), (12460, 25178), (12589, 24920)]