280649200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1741}}^1$

素因数の和:1803

約数の個数: 120

約数和(自身を含む): 749979776

約数和(自身を除く): 469330576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 200, 208, 248, 260, 310, 325, 400, 403, 496, 520, 620, 650, 775, 806, 1040, 1240, 1300, 1550, 1612, 1741, 2015, 2480, 2600, 3100, 3224, 3482, 4030, 5200, 6200, 6448, 6964, 8060, 8705, 10075, 12400, 13928, 16120, 17410, 20150, 22633, 27856, 32240, 34820, 40300, 43525, 45266, 53971, 69640, 80600, 87050, 90532, 107942, 113165, 139280, 161200, 174100, 181064, 215884, 226330, 269855, 348200, 362128, 431768, 452660, 539710, 565825, 696400, 701623, 863536, 905320, 1079420, 1131650, 1349275, 1403246, 1810640, 2158840, 2263300, 2698550, 2806492, 3508115, 4317680, 4526600, 5397100, 5612984, 7016230, 9053200, 10794200, 11225968, 14032460, 17540575, 21588400, 28064920, 35081150, 56129840, 70162300, 140324600, 280649200]

約数ペア:

[(1, 280649200), (2, 140324600), (4, 70162300), (5, 56129840), (8, 35081150), (10, 28064920), (13, 21588400), (16, 17540575), (20, 14032460), (25, 11225968), (26, 10794200), (31, 9053200), (40, 7016230), (50, 5612984), (52, 5397100), (62, 4526600), (65, 4317680), (80, 3508115), (100, 2806492), (104, 2698550), (124, 2263300), (130, 2158840), (155, 1810640), (200, 1403246), (208, 1349275), (248, 1131650), (260, 1079420), (310, 905320), (325, 863536), (400, 701623), (403, 696400), (496, 565825), (520, 539710), (620, 452660), (650, 431768), (775, 362128), (806, 348200), (1040, 269855), (1240, 226330), (1300, 215884), (1550, 181064), (1612, 174100), (1741, 161200), (2015, 139280), (2480, 113165), (2600, 107942), (3100, 90532), (3224, 87050), (3482, 80600), (4030, 69640), (5200, 53971), (6200, 45266), (6448, 43525), (6964, 40300), (8060, 34820), (8705, 32240), (10075, 27856), (12400, 22633), (13928, 20150), (16120, 17410)]