2019441340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{197597}}^1$

素因数の和:197686

約数の個数: 48

約数和(自身を含む): 4913076672

約数和(自身を除く): 2893635332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 197597, 395194, 790388, 987985, 1383179, 1975970, 2766358, 3951940, 5532716, 6915895, 13831790, 14424581, 27663580, 28849162, 57698324, 72122905, 100972067, 144245810, 201944134, 288491620, 403888268, 504860335, 1009720670, 2019441340]

約数ペア:

[(1, 2019441340), (2, 1009720670), (4, 504860335), (5, 403888268), (7, 288491620), (10, 201944134), (14, 144245810), (20, 100972067), (28, 72122905), (35, 57698324), (70, 28849162), (73, 27663580), (140, 14424581), (146, 13831790), (292, 6915895), (365, 5532716), (511, 3951940), (730, 2766358), (1022, 1975970), (1460, 1383179), (2044, 987985), (2555, 790388), (5110, 395194), (10220, 197597)]