7788493420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1\times {\mathrm{7757}}^1$

素因数の和:8650

約数の個数: 48

約数和(自身を含む): 16646309568

約数和(自身を除く): 8857816148

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 823, 1220, 1646, 3292, 4115, 7757, 8230, 15514, 16460, 31028, 38785, 50203, 77570, 100406, 155140, 200812, 251015, 473177, 502030, 946354, 1004060, 1892708, 2365885, 4731770, 6384011, 9463540, 12768022, 25536044, 31920055, 63840110, 127680220, 389424671, 778849342, 1557698684, 1947123355, 3894246710, 7788493420]

約数ペア:

[(1, 7788493420), (2, 3894246710), (4, 1947123355), (5, 1557698684), (10, 778849342), (20, 389424671), (61, 127680220), (122, 63840110), (244, 31920055), (305, 25536044), (610, 12768022), (823, 9463540), (1220, 6384011), (1646, 4731770), (3292, 2365885), (4115, 1892708), (7757, 1004060), (8230, 946354), (15514, 502030), (16460, 473177), (31028, 251015), (38785, 200812), (50203, 155140), (77570, 100406)]