47481980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3727}}^1$

素因数の和:3763

約数の個数: 72

約数和(自身を含む): 124947648

約数和(自身を除く): 77465668

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 3727, 6370, 7454, 12740, 14908, 18635, 26089, 37270, 48451, 52178, 74540, 96902, 104356, 130445, 182623, 193804, 242255, 260890, 339157, 365246, 484510, 521780, 678314, 730492, 913115, 969020, 1356628, 1695785, 1826230, 2374099, 3391570, 3652460, 4748198, 6783140, 9496396, 11870495, 23740990, 47481980]

約数ペア:

[(1, 47481980), (2, 23740990), (4, 11870495), (5, 9496396), (7, 6783140), (10, 4748198), (13, 3652460), (14, 3391570), (20, 2374099), (26, 1826230), (28, 1695785), (35, 1356628), (49, 969020), (52, 913115), (65, 730492), (70, 678314), (91, 521780), (98, 484510), (130, 365246), (140, 339157), (182, 260890), (196, 242255), (245, 193804), (260, 182623), (364, 130445), (455, 104356), (490, 96902), (637, 74540), (910, 52178), (980, 48451), (1274, 37270), (1820, 26089), (2548, 18635), (3185, 14908), (3727, 12740), (6370, 7454)]