1979890250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{32063}}^1$

素因数の和:32112

約数の個数: 64

約数和(自身を含む): 4201666560

約数和(自身を除く): 2221776310

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 190, 247, 250, 325, 475, 494, 650, 950, 1235, 1625, 2375, 2470, 3250, 4750, 6175, 12350, 30875, 32063, 61750, 64126, 160315, 320630, 416819, 609197, 801575, 833638, 1218394, 1603150, 2084095, 3045985, 4007875, 4168190, 6091970, 7919561, 8015750, 10420475, 15229925, 15839122, 20840950, 30459850, 39597805, 52102375, 76149625, 79195610, 104204750, 152299250, 197989025, 395978050, 989945125, 1979890250]

約数ペア:

[(1, 1979890250), (2, 989945125), (5, 395978050), (10, 197989025), (13, 152299250), (19, 104204750), (25, 79195610), (26, 76149625), (38, 52102375), (50, 39597805), (65, 30459850), (95, 20840950), (125, 15839122), (130, 15229925), (190, 10420475), (247, 8015750), (250, 7919561), (325, 6091970), (475, 4168190), (494, 4007875), (650, 3045985), (950, 2084095), (1235, 1603150), (1625, 1218394), (2375, 833638), (2470, 801575), (3250, 609197), (4750, 416819), (6175, 320630), (12350, 160315), (30875, 64126), (32063, 61750)]