1444362220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{619}}^1\times {\mathrm{2381}}^1$

素因数の和:3023

約数の個数: 72

約数和(自身を含む): 3535554960

約数和(自身を除く): 2091192740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 619, 980, 1238, 2381, 2476, 3095, 4333, 4762, 6190, 8666, 9524, 11905, 12380, 16667, 17332, 21665, 23810, 30331, 33334, 43330, 47620, 60662, 66668, 83335, 86660, 116669, 121324, 151655, 166670, 233338, 303310, 333340, 466676, 583345, 606620, 1166690, 1473839, 2333380, 2947678, 5895356, 7369195, 10316873, 14738390, 20633746, 29476780, 41267492, 51584365, 72218111, 103168730, 144436222, 206337460, 288872444, 361090555, 722181110, 1444362220]

約数ペア:

[(1, 1444362220), (2, 722181110), (4, 361090555), (5, 288872444), (7, 206337460), (10, 144436222), (14, 103168730), (20, 72218111), (28, 51584365), (35, 41267492), (49, 29476780), (70, 20633746), (98, 14738390), (140, 10316873), (196, 7369195), (245, 5895356), (490, 2947678), (619, 2333380), (980, 1473839), (1238, 1166690), (2381, 606620), (2476, 583345), (3095, 466676), (4333, 333340), (4762, 303310), (6190, 233338), (8666, 166670), (9524, 151655), (11905, 121324), (12380, 116669), (16667, 86660), (17332, 83335), (21665, 66668), (23810, 60662), (30331, 47620), (33334, 43330)]