72918970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 143472384

約数和(自身を除く): 70553414

約数列:

[1, 2, 5, 10, 23, 43, 46, 73, 86, 101, 115, 146, 202, 215, 230, 365, 430, 505, 730, 989, 1010, 1679, 1978, 2323, 3139, 3358, 4343, 4646, 4945, 6278, 7373, 8395, 8686, 9890, 11615, 14746, 15695, 16790, 21715, 23230, 31390, 36865, 43430, 72197, 73730, 99889, 144394, 169579, 199778, 317039, 339158, 360985, 499445, 634078, 721970, 847895, 998890, 1585195, 1695790, 3170390, 7291897, 14583794, 36459485, 72918970]

約数ペア:

[(1, 72918970), (2, 36459485), (5, 14583794), (10, 7291897), (23, 3170390), (43, 1695790), (46, 1585195), (73, 998890), (86, 847895), (101, 721970), (115, 634078), (146, 499445), (202, 360985), (215, 339158), (230, 317039), (365, 199778), (430, 169579), (505, 144394), (730, 99889), (989, 73730), (1010, 72197), (1679, 43430), (1978, 36865), (2323, 31390), (3139, 23230), (3358, 21715), (4343, 16790), (4646, 15695), (4945, 14746), (6278, 11615), (7373, 9890), (8395, 8686)]