261330677020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{757}}^1\times {\mathrm{12517}}^1$

素因数の和:13487

約数の個数: 96

約数和(自身を含む): 631260508032

約数和(自身を除く): 369929831012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 757, 788, 985, 1379, 1514, 1970, 2758, 3028, 3785, 3940, 5299, 5516, 6895, 7570, 10598, 12517, 13790, 15140, 21196, 25034, 26495, 27580, 50068, 52990, 62585, 87619, 105980, 125170, 149129, 175238, 250340, 298258, 350476, 438095, 596516, 745645, 876190, 1043903, 1491290, 1752380, 2087806, 2465849, 2982580, 4175612, 4931698, 5219515, 9475369, 9863396, 10439030, 12329245, 17260943, 18950738, 20878060, 24658490, 34521886, 37901476, 47376845, 49316980, 66327583, 69043772, 86304715, 94753690, 132655166, 172609430, 189507380, 265310332, 331637915, 345218860, 663275830, 1326551660, 1866647693, 3733295386, 7466590772, 9333238465, 13066533851, 18666476930, 26133067702, 37332953860, 52266135404, 65332669255, 130665338510, 261330677020]

約数ペア:

[(1, 261330677020), (2, 130665338510), (4, 65332669255), (5, 52266135404), (7, 37332953860), (10, 26133067702), (14, 18666476930), (20, 13066533851), (28, 9333238465), (35, 7466590772), (70, 3733295386), (140, 1866647693), (197, 1326551660), (394, 663275830), (757, 345218860), (788, 331637915), (985, 265310332), (1379, 189507380), (1514, 172609430), (1970, 132655166), (2758, 94753690), (3028, 86304715), (3785, 69043772), (3940, 66327583), (5299, 49316980), (5516, 47376845), (6895, 37901476), (7570, 34521886), (10598, 24658490), (12517, 20878060), (13790, 18950738), (15140, 17260943), (21196, 12329245), (25034, 10439030), (26495, 9863396), (27580, 9475369), (50068, 5219515), (52990, 4931698), (62585, 4175612), (87619, 2982580), (105980, 2465849), (125170, 2087806), (149129, 1752380), (175238, 1491290), (250340, 1043903), (298258, 876190), (350476, 745645), (438095, 596516)]