315040940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 730840320

約数和(自身を除く): 415799380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 79, 85, 148, 158, 170, 185, 316, 317, 340, 370, 395, 629, 634, 740, 790, 1258, 1268, 1343, 1580, 1585, 2516, 2686, 2923, 3145, 3170, 5372, 5389, 5846, 6290, 6340, 6715, 10778, 11692, 11729, 12580, 13430, 14615, 21556, 23458, 25043, 26860, 26945, 29230, 46916, 49691, 50086, 53890, 58460, 58645, 99382, 100172, 107780, 117290, 125215, 198764, 199393, 234580, 248455, 250430, 398786, 425731, 496910, 500860, 797572, 851462, 926591, 993820, 996965, 1702924, 1853182, 1993930, 2128655, 3706364, 3987860, 4257310, 4632955, 8514620, 9265910, 15752047, 18531820, 31504094, 63008188, 78760235, 157520470, 315040940]

約数ペア:

[(1, 315040940), (2, 157520470), (4, 78760235), (5, 63008188), (10, 31504094), (17, 18531820), (20, 15752047), (34, 9265910), (37, 8514620), (68, 4632955), (74, 4257310), (79, 3987860), (85, 3706364), (148, 2128655), (158, 1993930), (170, 1853182), (185, 1702924), (316, 996965), (317, 993820), (340, 926591), (370, 851462), (395, 797572), (629, 500860), (634, 496910), (740, 425731), (790, 398786), (1258, 250430), (1268, 248455), (1343, 234580), (1580, 199393), (1585, 198764), (2516, 125215), (2686, 117290), (2923, 107780), (3145, 100172), (3170, 99382), (5372, 58645), (5389, 58460), (5846, 53890), (6290, 50086), (6340, 49691), (6715, 46916), (10778, 29230), (11692, 26945), (11729, 26860), (12580, 25043), (13430, 23458), (14615, 21556)]