172181940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2081}}^1$

素因数の和:2297

約数の個数: 96

約数和(自身を含む): 554045184

約数和(自身を除く): 381863244

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, 197, 210, 394, 420, 591, 788, 985, 1182, 1379, 1970, 2081, 2364, 2758, 2955, 3940, 4137, 4162, 5516, 5910, 6243, 6895, 8274, 8324, 10405, 11820, 12486, 13790, 14567, 16548, 20685, 20810, 24972, 27580, 29134, 31215, 41370, 41620, 43701, 58268, 62430, 72835, 82740, 87402, 124860, 145670, 174804, 218505, 291340, 409957, 437010, 819914, 874020, 1229871, 1639828, 2049785, 2459742, 2869699, 4099570, 4919484, 5739398, 6149355, 8199140, 8609097, 11478796, 12298710, 14348495, 17218194, 24597420, 28696990, 34436388, 43045485, 57393980, 86090970, 172181940]

約数ペア:

[(1, 172181940), (2, 86090970), (3, 57393980), (4, 43045485), (5, 34436388), (6, 28696990), (7, 24597420), (10, 17218194), (12, 14348495), (14, 12298710), (15, 11478796), (20, 8609097), (21, 8199140), (28, 6149355), (30, 5739398), (35, 4919484), (42, 4099570), (60, 2869699), (70, 2459742), (84, 2049785), (105, 1639828), (140, 1229871), (197, 874020), (210, 819914), (394, 437010), (420, 409957), (591, 291340), (788, 218505), (985, 174804), (1182, 145670), (1379, 124860), (1970, 87402), (2081, 82740), (2364, 72835), (2758, 62430), (2955, 58268), (3940, 43701), (4137, 41620), (4162, 41370), (5516, 31215), (5910, 29134), (6243, 27580), (6895, 24972), (8274, 20810), (8324, 20685), (10405, 16548), (11820, 14567), (12486, 13790)]