291236890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{3989}}^1$

素因数の和:4159

約数の個数: 48

約数和(自身を含む): 614061000

約数和(自身を除く): 322824110

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 149, 245, 298, 490, 745, 1043, 1490, 2086, 3989, 5215, 7301, 7978, 10430, 14602, 19945, 27923, 36505, 39890, 55846, 73010, 139615, 195461, 279230, 390922, 594361, 977305, 1188722, 1954610, 2971805, 4160527, 5943610, 8321054, 20802635, 29123689, 41605270, 58247378, 145618445, 291236890]

約数ペア:

[(1, 291236890), (2, 145618445), (5, 58247378), (7, 41605270), (10, 29123689), (14, 20802635), (35, 8321054), (49, 5943610), (70, 4160527), (98, 2971805), (149, 1954610), (245, 1188722), (298, 977305), (490, 594361), (745, 390922), (1043, 279230), (1490, 195461), (2086, 139615), (3989, 73010), (5215, 55846), (7301, 39890), (7978, 36505), (10430, 27923), (14602, 19945)]