2019287875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{953}}^1$

素因数の和:1069

約数の個数: 64

約数和(自身を含む): 2914569216

約数和(自身を除く): 895281341

約数列:

[1, 5, 11, 23, 25, 55, 67, 115, 125, 253, 275, 335, 575, 737, 953, 1265, 1375, 1541, 1675, 2875, 3685, 4765, 6325, 7705, 8375, 10483, 16951, 18425, 21919, 23825, 31625, 38525, 52415, 63851, 84755, 92125, 109595, 119125, 192625, 241109, 262075, 319255, 423775, 547975, 702361, 1205545, 1310375, 1468573, 1596275, 2118875, 2739875, 3511805, 6027725, 7342865, 7981375, 16154303, 17559025, 30138625, 36714325, 80771515, 87795125, 183571625, 403857575, 2019287875]

約数ペア:

[(1, 2019287875), (5, 403857575), (11, 183571625), (23, 87795125), (25, 80771515), (55, 36714325), (67, 30138625), (115, 17559025), (125, 16154303), (253, 7981375), (275, 7342865), (335, 6027725), (575, 3511805), (737, 2739875), (953, 2118875), (1265, 1596275), (1375, 1468573), (1541, 1310375), (1675, 1205545), (2875, 702361), (3685, 547975), (4765, 423775), (6325, 319255), (7705, 262075), (8375, 241109), (10483, 192625), (16951, 119125), (18425, 109595), (21919, 92125), (23825, 84755), (31625, 63851), (38525, 52415)]