89481940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{367}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 192148992

約数和(自身を除く): 102667052

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 167, 292, 334, 365, 367, 668, 730, 734, 835, 1460, 1468, 1670, 1835, 3340, 3670, 7340, 12191, 24382, 26791, 48764, 53582, 60955, 61289, 107164, 121910, 122578, 133955, 243820, 245156, 267910, 306445, 535820, 612890, 1225780, 4474097, 8948194, 17896388, 22370485, 44740970, 89481940]

約数ペア:

[(1, 89481940), (2, 44740970), (4, 22370485), (5, 17896388), (10, 8948194), (20, 4474097), (73, 1225780), (146, 612890), (167, 535820), (292, 306445), (334, 267910), (365, 245156), (367, 243820), (668, 133955), (730, 122578), (734, 121910), (835, 107164), (1460, 61289), (1468, 60955), (1670, 53582), (1835, 48764), (3340, 26791), (3670, 24382), (7340, 12191)]