194680460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39409}}^1$

素因数の和:39450

約数の個数: 48

約数和(自身を含む): 463461600

約数和(自身を除く): 268781140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 39409, 78818, 157636, 197045, 394090, 512317, 748771, 788180, 1024634, 1497542, 2049268, 2561585, 2995084, 3743855, 5123170, 7487710, 9734023, 10246340, 14975420, 19468046, 38936092, 48670115, 97340230, 194680460]

約数ペア:

[(1, 194680460), (2, 97340230), (4, 48670115), (5, 38936092), (10, 19468046), (13, 14975420), (19, 10246340), (20, 9734023), (26, 7487710), (38, 5123170), (52, 3743855), (65, 2995084), (76, 2561585), (95, 2049268), (130, 1497542), (190, 1024634), (247, 788180), (260, 748771), (380, 512317), (494, 394090), (988, 197045), (1235, 157636), (2470, 78818), (4940, 39409)]