28680970

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 52986960

約数和(自身を除く): 24305990

約数列:

[1, 2, 5, 10, 73, 101, 146, 202, 365, 389, 505, 730, 778, 1010, 1945, 3890, 7373, 14746, 28397, 36865, 39289, 56794, 73730, 78578, 141985, 196445, 283970, 392890, 2868097, 5736194, 14340485, 28680970]

約数ペア:

[(1, 28680970), (2, 14340485), (5, 5736194), (10, 2868097), (73, 392890), (101, 283970), (146, 196445), (202, 141985), (365, 78578), (389, 73730), (505, 56794), (730, 39289), (778, 36865), (1010, 28397), (1945, 14746), (3890, 7373)]