347788140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{828067}}^1$

素因数の和:828086

約数の個数: 48

約数和(自身を含む): 1112923392

約数和(自身を除く): 765135252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 828067, 1656134, 2484201, 3312268, 4140335, 4968402, 5796469, 8280670, 9936804, 11592938, 12421005, 16561340, 17389407, 23185876, 24842010, 28982345, 34778814, 49684020, 57964690, 69557628, 86947035, 115929380, 173894070, 347788140]

約数ペア:

[(1, 347788140), (2, 173894070), (3, 115929380), (4, 86947035), (5, 69557628), (6, 57964690), (7, 49684020), (10, 34778814), (12, 28982345), (14, 24842010), (15, 23185876), (20, 17389407), (21, 16561340), (28, 12421005), (30, 11592938), (35, 9936804), (42, 8280670), (60, 5796469), (70, 4968402), (84, 4140335), (105, 3312268), (140, 2484201), (210, 1656134), (420, 828067)]