638205124030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{8101}}^1$

素因数の和:8442

約数の個数: 96

約数和(自身を含む): 1229064973920

約数和(自身を除く): 590859849890

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 157, 190, 278, 314, 361, 695, 722, 785, 1390, 1570, 1805, 2641, 2983, 3610, 5282, 5966, 8101, 13205, 14915, 16202, 21823, 26410, 29830, 40505, 43646, 50179, 56677, 81010, 100358, 109115, 113354, 153919, 218230, 250895, 283385, 307838, 414637, 501790, 566770, 769595, 829274, 1126039, 1271857, 1539190, 2073185, 2252078, 2543714, 2924461, 4146370, 5630195, 5848922, 6359285, 7878103, 11260390, 12718570, 14622305, 15756206, 21394741, 24165283, 29244610, 39390515, 42789482, 48330566, 78781030, 106973705, 120826415, 176788123, 213947410, 241652830, 353576246, 406500079, 459140377, 813000158, 883940615, 918280754, 1767881230, 2032500395, 2295701885, 3358974337, 4065000790, 4591403770, 6717948674, 16794871685, 33589743370, 63820512403, 127641024806, 319102562015, 638205124030]

約数ペア:

[(1, 638205124030), (2, 319102562015), (5, 127641024806), (10, 63820512403), (19, 33589743370), (38, 16794871685), (95, 6717948674), (139, 4591403770), (157, 4065000790), (190, 3358974337), (278, 2295701885), (314, 2032500395), (361, 1767881230), (695, 918280754), (722, 883940615), (785, 813000158), (1390, 459140377), (1570, 406500079), (1805, 353576246), (2641, 241652830), (2983, 213947410), (3610, 176788123), (5282, 120826415), (5966, 106973705), (8101, 78781030), (13205, 48330566), (14915, 42789482), (16202, 39390515), (21823, 29244610), (26410, 24165283), (29830, 21394741), (40505, 15756206), (43646, 14622305), (50179, 12718570), (56677, 11260390), (81010, 7878103), (100358, 6359285), (109115, 5848922), (113354, 5630195), (153919, 4146370), (218230, 2924461), (250895, 2543714), (283385, 2252078), (307838, 2073185), (414637, 1539190), (501790, 1271857), (566770, 1126039), (769595, 829274)]