254147810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{59}}^2\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 72

約数和(自身を含む): 544959900

約数和(自身を除く): 290812090

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 59, 70, 98, 118, 149, 245, 295, 298, 413, 490, 590, 745, 826, 1043, 1490, 2065, 2086, 2891, 3481, 4130, 5215, 5782, 6962, 7301, 8791, 10430, 14455, 14602, 17405, 17582, 24367, 28910, 34810, 36505, 43955, 48734, 61537, 73010, 87910, 121835, 123074, 170569, 243670, 307685, 341138, 430759, 518669, 615370, 852845, 861518, 1037338, 1705690, 2153795, 2593345, 3630683, 4307590, 5186690, 7261366, 18153415, 25414781, 36306830, 50829562, 127073905, 254147810]

約数ペア:

[(1, 254147810), (2, 127073905), (5, 50829562), (7, 36306830), (10, 25414781), (14, 18153415), (35, 7261366), (49, 5186690), (59, 4307590), (70, 3630683), (98, 2593345), (118, 2153795), (149, 1705690), (245, 1037338), (295, 861518), (298, 852845), (413, 615370), (490, 518669), (590, 430759), (745, 341138), (826, 307685), (1043, 243670), (1490, 170569), (2065, 123074), (2086, 121835), (2891, 87910), (3481, 73010), (4130, 61537), (5215, 48734), (5782, 43955), (6962, 36505), (7301, 34810), (8791, 28910), (10430, 24367), (14455, 17582), (14602, 17405)]