2489014780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{8273}}^1$

素因数の和:8603

約数の個数: 72

約数和(自身を含む): 6100850448

約数和(自身を除く): 3611835668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 307, 490, 614, 980, 1228, 1535, 2149, 3070, 4298, 6140, 8273, 8596, 10745, 15043, 16546, 21490, 30086, 33092, 41365, 42980, 57911, 60172, 75215, 82730, 115822, 150430, 165460, 231644, 289555, 300860, 405377, 579110, 810754, 1158220, 1621508, 2026885, 2539811, 4053770, 5079622, 8107540, 10159244, 12699055, 17778677, 25398110, 35557354, 50796220, 71114708, 88893385, 124450739, 177786770, 248901478, 355573540, 497802956, 622253695, 1244507390, 2489014780]

約数ペア:

[(1, 2489014780), (2, 1244507390), (4, 622253695), (5, 497802956), (7, 355573540), (10, 248901478), (14, 177786770), (20, 124450739), (28, 88893385), (35, 71114708), (49, 50796220), (70, 35557354), (98, 25398110), (140, 17778677), (196, 12699055), (245, 10159244), (307, 8107540), (490, 5079622), (614, 4053770), (980, 2539811), (1228, 2026885), (1535, 1621508), (2149, 1158220), (3070, 810754), (4298, 579110), (6140, 405377), (8273, 300860), (8596, 289555), (10745, 231644), (15043, 165460), (16546, 150430), (21490, 115822), (30086, 82730), (33092, 75215), (41365, 60172), (42980, 57911)]