2019419440

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{345791}}^1$

素因数の和:345877

約数の個数: 40

約数和(自身を含む): 4759481088

約数和(自身を除く): 2740061648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 345791, 691582, 1383164, 1728955, 2766328, 3457910, 5532656, 6915820, 13831640, 25242743, 27663280, 50485486, 100970972, 126213715, 201941944, 252427430, 403883888, 504854860, 1009709720, 2019419440]

約数ペア:

[(1, 2019419440), (2, 1009709720), (4, 504854860), (5, 403883888), (8, 252427430), (10, 201941944), (16, 126213715), (20, 100970972), (40, 50485486), (73, 27663280), (80, 25242743), (146, 13831640), (292, 6915820), (365, 5532656), (584, 3457910), (730, 2766328), (1168, 1728955), (1460, 1383164), (2920, 691582), (5840, 345791)]