315044890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 612864000

約数和(自身を除く): 297819110

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 139, 151, 158, 190, 278, 302, 395, 695, 755, 790, 1390, 1501, 1510, 2641, 2869, 3002, 5282, 5738, 7505, 10981, 11929, 13205, 14345, 15010, 20989, 21962, 23858, 26410, 28690, 41978, 54905, 59645, 104945, 109810, 119290, 208639, 209890, 226651, 398791, 417278, 453302, 797582, 1043195, 1133255, 1658131, 1993955, 2086390, 2266510, 3316262, 3987910, 8290655, 16581310, 31504489, 63008978, 157522445, 315044890]

約数ペア:

[(1, 315044890), (2, 157522445), (5, 63008978), (10, 31504489), (19, 16581310), (38, 8290655), (79, 3987910), (95, 3316262), (139, 2266510), (151, 2086390), (158, 1993955), (190, 1658131), (278, 1133255), (302, 1043195), (395, 797582), (695, 453302), (755, 417278), (790, 398791), (1390, 226651), (1501, 209890), (1510, 208639), (2641, 119290), (2869, 109810), (3002, 104945), (5282, 59645), (5738, 54905), (7505, 41978), (10981, 28690), (11929, 26410), (13205, 23858), (14345, 21962), (15010, 20989)]