91039450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1663

約数の個数: 48

約数和(自身を含む): 181283040

約数和(自身を除く): 90243590

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 61, 95, 122, 190, 305, 475, 610, 950, 1159, 1525, 1571, 2318, 3050, 3142, 5795, 7855, 11590, 15710, 28975, 29849, 39275, 57950, 59698, 78550, 95831, 149245, 191662, 298490, 479155, 746225, 958310, 1492450, 1820789, 2395775, 3641578, 4791550, 9103945, 18207890, 45519725, 91039450]

約数ペア:

[(1, 91039450), (2, 45519725), (5, 18207890), (10, 9103945), (19, 4791550), (25, 3641578), (38, 2395775), (50, 1820789), (61, 1492450), (95, 958310), (122, 746225), (190, 479155), (305, 298490), (475, 191662), (610, 149245), (950, 95831), (1159, 78550), (1525, 59698), (1571, 57950), (2318, 39275), (3050, 29849), (3142, 28975), (5795, 15710), (7855, 11590)]