128429140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5843}}^1$

素因数の和:6016

約数の個数: 48

約数和(自身を含む): 310246272

約数和(自身を除く): 181817132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 5843, 10990, 11686, 21980, 23372, 29215, 40901, 58430, 81802, 116860, 163604, 204505, 409010, 818020, 917351, 1834702, 3669404, 4586755, 6421457, 9173510, 12842914, 18347020, 25685828, 32107285, 64214570, 128429140]

約数ペア:

[(1, 128429140), (2, 64214570), (4, 32107285), (5, 25685828), (7, 18347020), (10, 12842914), (14, 9173510), (20, 6421457), (28, 4586755), (35, 3669404), (70, 1834702), (140, 917351), (157, 818020), (314, 409010), (628, 204505), (785, 163604), (1099, 116860), (1570, 81802), (2198, 58430), (3140, 40901), (4396, 29215), (5495, 23372), (5843, 21980), (10990, 11686)]