2017569340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{25163}}^1$

素因数の和:25402

約数の個数: 48

約数和(自身を含む): 4481205120

約数和(自身を除く): 2463635780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 211, 380, 422, 844, 1055, 2110, 4009, 4220, 8018, 16036, 20045, 25163, 40090, 50326, 80180, 100652, 125815, 251630, 478097, 503260, 956194, 1912388, 2390485, 4780970, 5309393, 9561940, 10618786, 21237572, 26546965, 53093930, 100878467, 106187860, 201756934, 403513868, 504392335, 1008784670, 2017569340]

約数ペア:

[(1, 2017569340), (2, 1008784670), (4, 504392335), (5, 403513868), (10, 201756934), (19, 106187860), (20, 100878467), (38, 53093930), (76, 26546965), (95, 21237572), (190, 10618786), (211, 9561940), (380, 5309393), (422, 4780970), (844, 2390485), (1055, 1912388), (2110, 956194), (4009, 503260), (4220, 478097), (8018, 251630), (16036, 125815), (20045, 100652), (25163, 80180), (40090, 50326)]