211206520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10333}}^1$

素因数の和:10424

約数の個数: 64

約数和(自身を含む): 550595520

約数和(自身を除く): 339389000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 10333, 20440, 20666, 41332, 51665, 72331, 82664, 103330, 144662, 206660, 289324, 361655, 413320, 578648, 723310, 754309, 1446620, 1508618, 2893240, 3017236, 3771545, 5280163, 6034472, 7543090, 10560326, 15086180, 21120652, 26400815, 30172360, 42241304, 52801630, 105603260, 211206520]

約数ペア:

[(1, 211206520), (2, 105603260), (4, 52801630), (5, 42241304), (7, 30172360), (8, 26400815), (10, 21120652), (14, 15086180), (20, 10560326), (28, 7543090), (35, 6034472), (40, 5280163), (56, 3771545), (70, 3017236), (73, 2893240), (140, 1508618), (146, 1446620), (280, 754309), (292, 723310), (365, 578648), (511, 413320), (584, 361655), (730, 289324), (1022, 206660), (1460, 144662), (2044, 103330), (2555, 82664), (2920, 72331), (4088, 51665), (5110, 41332), (10220, 20666), (10333, 20440)]