1402187540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{18661}}^1$

素因数の和:18717

約数の個数: 72

約数和(自身を含む): 3368789592

約数和(自身を除く): 1966602052

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 1105, 1156, 1445, 2210, 2890, 3757, 4420, 5780, 7514, 15028, 18661, 18785, 37322, 37570, 74644, 75140, 93305, 186610, 242593, 317237, 373220, 485186, 634474, 970372, 1212965, 1268948, 1586185, 2425930, 3172370, 4124081, 4851860, 5393029, 6344740, 8248162, 10786058, 16496324, 20620405, 21572116, 26965145, 41240810, 53930290, 70109377, 82481620, 107860580, 140218754, 280437508, 350546885, 701093770, 1402187540]

約数ペア:

[(1, 1402187540), (2, 701093770), (4, 350546885), (5, 280437508), (10, 140218754), (13, 107860580), (17, 82481620), (20, 70109377), (26, 53930290), (34, 41240810), (52, 26965145), (65, 21572116), (68, 20620405), (85, 16496324), (130, 10786058), (170, 8248162), (221, 6344740), (260, 5393029), (289, 4851860), (340, 4124081), (442, 3172370), (578, 2425930), (884, 1586185), (1105, 1268948), (1156, 1212965), (1445, 970372), (2210, 634474), (2890, 485186), (3757, 373220), (4420, 317237), (5780, 242593), (7514, 186610), (15028, 93305), (18661, 75140), (18785, 74644), (37322, 37570)]