31974460

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 80640000

約数和(自身を除く): 48665540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 79, 98, 118, 140, 158, 196, 236, 245, 295, 316, 343, 395, 413, 490, 553, 590, 686, 790, 826, 980, 1106, 1180, 1372, 1580, 1652, 1715, 2065, 2212, 2765, 2891, 3430, 3871, 4130, 4661, 5530, 5782, 6860, 7742, 8260, 9322, 11060, 11564, 14455, 15484, 18644, 19355, 20237, 23305, 27097, 28910, 32627, 38710, 40474, 46610, 54194, 57820, 65254, 77420, 80948, 93220, 101185, 108388, 130508, 135485, 163135, 202370, 228389, 270970, 326270, 404740, 456778, 541940, 652540, 913556, 1141945, 1598723, 2283890, 3197446, 4567780, 6394892, 7993615, 15987230, 31974460]

約数ペア:

[(1, 31974460), (2, 15987230), (4, 7993615), (5, 6394892), (7, 4567780), (10, 3197446), (14, 2283890), (20, 1598723), (28, 1141945), (35, 913556), (49, 652540), (59, 541940), (70, 456778), (79, 404740), (98, 326270), (118, 270970), (140, 228389), (158, 202370), (196, 163135), (236, 135485), (245, 130508), (295, 108388), (316, 101185), (343, 93220), (395, 80948), (413, 77420), (490, 65254), (553, 57820), (590, 54194), (686, 46610), (790, 40474), (826, 38710), (980, 32627), (1106, 28910), (1180, 27097), (1372, 23305), (1580, 20237), (1652, 19355), (1715, 18644), (2065, 15484), (2212, 14455), (2765, 11564), (2891, 11060), (3430, 9322), (3871, 8260), (4130, 7742), (4661, 6860), (5530, 5782)]