85704780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{204059}}^1$

素因数の和:204078

約数の個数: 48

約数和(自身を含む): 274256640

約数和(自身を除く): 188551860

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, 204059, 408118, 612177, 816236, 1020295, 1224354, 1428413, 2040590, 2448708, 2856826, 3060885, 4081180, 4285239, 5713652, 6121770, 7142065, 8570478, 12243540, 14284130, 17140956, 21426195, 28568260, 42852390, 85704780]

約数ペア:

[(1, 85704780), (2, 42852390), (3, 28568260), (4, 21426195), (5, 17140956), (6, 14284130), (7, 12243540), (10, 8570478), (12, 7142065), (14, 6121770), (15, 5713652), (20, 4285239), (21, 4081180), (28, 3060885), (30, 2856826), (35, 2448708), (42, 2040590), (60, 1428413), (70, 1224354), (84, 1020295), (105, 816236), (140, 612177), (210, 408118), (420, 204059)]