45464440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 117489600

約数和(自身を除く): 72025160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397, 409, 794, 818, 1588, 1636, 1985, 2045, 2779, 2863, 3176, 3272, 3970, 4090, 5558, 5726, 7940, 8180, 11116, 11452, 13895, 14315, 15880, 16360, 22232, 22904, 27790, 28630, 55580, 57260, 111160, 114520, 162373, 324746, 649492, 811865, 1136611, 1298984, 1623730, 2273222, 3247460, 4546444, 5683055, 6494920, 9092888, 11366110, 22732220, 45464440]

約数ペア:

[(1, 45464440), (2, 22732220), (4, 11366110), (5, 9092888), (7, 6494920), (8, 5683055), (10, 4546444), (14, 3247460), (20, 2273222), (28, 1623730), (35, 1298984), (40, 1136611), (56, 811865), (70, 649492), (140, 324746), (280, 162373), (397, 114520), (409, 111160), (794, 57260), (818, 55580), (1588, 28630), (1636, 27790), (1985, 22904), (2045, 22232), (2779, 16360), (2863, 15880), (3176, 14315), (3272, 13895), (3970, 11452), (4090, 11116), (5558, 8180), (5726, 7940)]