6497890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 13851000

約数和(自身を除く): 7353110

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 149, 178, 245, 298, 445, 490, 623, 745, 890, 1043, 1246, 1490, 2086, 3115, 4361, 5215, 6230, 7301, 8722, 10430, 13261, 14602, 21805, 26522, 36505, 43610, 66305, 73010, 92827, 132610, 185654, 464135, 649789, 928270, 1299578, 3248945, 6497890]

約数ペア:

[(1, 6497890), (2, 3248945), (5, 1299578), (7, 928270), (10, 649789), (14, 464135), (35, 185654), (49, 132610), (70, 92827), (89, 73010), (98, 66305), (149, 43610), (178, 36505), (245, 26522), (298, 21805), (445, 14602), (490, 13261), (623, 10430), (745, 8722), (890, 7301), (1043, 6230), (1246, 5215), (1490, 4361), (2086, 3115)]