3999870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{907}}^1$

素因数の和:934

約数の個数: 72

約数和(自身を含む): 12110904

約数和(自身を除く): 8111034

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 907, 1470, 1814, 2205, 2721, 4410, 4535, 5442, 6349, 8163, 9070, 12698, 13605, 16326, 19047, 27210, 31745, 38094, 40815, 44443, 57141, 63490, 81630, 88886, 95235, 114282, 133329, 190470, 222215, 266658, 285705, 399987, 444430, 571410, 666645, 799974, 1333290, 1999935, 3999870]

約数ペア:

[(1, 3999870), (2, 1999935), (3, 1333290), (5, 799974), (6, 666645), (7, 571410), (9, 444430), (10, 399987), (14, 285705), (15, 266658), (18, 222215), (21, 190470), (30, 133329), (35, 114282), (42, 95235), (45, 88886), (49, 81630), (63, 63490), (70, 57141), (90, 44443), (98, 40815), (105, 38094), (126, 31745), (147, 27210), (210, 19047), (245, 16326), (294, 13605), (315, 12698), (441, 9070), (490, 8163), (630, 6349), (735, 5442), (882, 4535), (907, 4410), (1470, 2721), (1814, 2205)]