7248007780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{367}}^1\times {\mathrm{5843}}^1$

素因数の和:6245

約数の個数: 72

約数和(自身を含む): 16529450112

約数和(自身を除く): 9281442332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 367, 676, 734, 845, 1468, 1690, 1835, 3380, 3670, 4771, 5843, 7340, 9542, 11686, 19084, 23372, 23855, 29215, 47710, 58430, 62023, 75959, 95420, 116860, 124046, 151918, 248092, 303836, 310115, 379795, 620230, 759590, 987467, 1240460, 1519180, 1974934, 2144381, 3949868, 4288762, 4937335, 8577524, 9874670, 10721905, 19749340, 21443810, 27876953, 42887620, 55753906, 111507812, 139384765, 278769530, 362400389, 557539060, 724800778, 1449601556, 1812001945, 3624003890, 7248007780]

約数ペア:

[(1, 7248007780), (2, 3624003890), (4, 1812001945), (5, 1449601556), (10, 724800778), (13, 557539060), (20, 362400389), (26, 278769530), (52, 139384765), (65, 111507812), (130, 55753906), (169, 42887620), (260, 27876953), (338, 21443810), (367, 19749340), (676, 10721905), (734, 9874670), (845, 8577524), (1468, 4937335), (1690, 4288762), (1835, 3949868), (3380, 2144381), (3670, 1974934), (4771, 1519180), (5843, 1240460), (7340, 987467), (9542, 759590), (11686, 620230), (19084, 379795), (23372, 310115), (23855, 303836), (29215, 248092), (47710, 151918), (58430, 124046), (62023, 116860), (75959, 95420)]