211658860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1693}}^1$

素因数の和:1775

約数の個数: 96

約数和(自身を含む): 546416640

約数和(自身を除く): 334757780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 47, 70, 76, 94, 95, 133, 140, 188, 190, 235, 266, 329, 380, 470, 532, 658, 665, 893, 940, 1316, 1330, 1645, 1693, 1786, 2660, 3290, 3386, 3572, 4465, 6251, 6580, 6772, 8465, 8930, 11851, 12502, 16930, 17860, 23702, 25004, 31255, 32167, 33860, 47404, 59255, 62510, 64334, 79571, 118510, 125020, 128668, 159142, 160835, 225169, 237020, 318284, 321670, 397855, 450338, 556997, 643340, 795710, 900676, 1113994, 1125845, 1511849, 1591420, 2227988, 2251690, 2784985, 3023698, 4503380, 5569970, 6047396, 7559245, 10582943, 11139940, 15118490, 21165886, 30236980, 42331772, 52914715, 105829430, 211658860]

約数ペア:

[(1, 211658860), (2, 105829430), (4, 52914715), (5, 42331772), (7, 30236980), (10, 21165886), (14, 15118490), (19, 11139940), (20, 10582943), (28, 7559245), (35, 6047396), (38, 5569970), (47, 4503380), (70, 3023698), (76, 2784985), (94, 2251690), (95, 2227988), (133, 1591420), (140, 1511849), (188, 1125845), (190, 1113994), (235, 900676), (266, 795710), (329, 643340), (380, 556997), (470, 450338), (532, 397855), (658, 321670), (665, 318284), (893, 237020), (940, 225169), (1316, 160835), (1330, 159142), (1645, 128668), (1693, 125020), (1786, 118510), (2660, 79571), (3290, 64334), (3386, 62510), (3572, 59255), (4465, 47404), (6251, 33860), (6580, 32167), (6772, 31255), (8465, 25004), (8930, 23702), (11851, 17860), (12502, 16930)]