201886870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 394813440

約数和(自身を除く): 192926570

約数列:

[1, 2, 5, 10, 23, 41, 46, 79, 82, 115, 158, 205, 230, 271, 395, 410, 542, 790, 943, 1355, 1817, 1886, 2710, 3239, 3634, 4715, 6233, 6478, 9085, 9430, 11111, 12466, 16195, 18170, 21409, 22222, 31165, 32390, 42818, 55555, 62330, 74497, 107045, 111110, 148994, 214090, 255553, 372485, 492407, 511106, 744970, 877769, 984814, 1277765, 1755538, 2462035, 2555530, 4388845, 4924070, 8777690, 20188687, 40377374, 100943435, 201886870]

約数ペア:

[(1, 201886870), (2, 100943435), (5, 40377374), (10, 20188687), (23, 8777690), (41, 4924070), (46, 4388845), (79, 2555530), (82, 2462035), (115, 1755538), (158, 1277765), (205, 984814), (230, 877769), (271, 744970), (395, 511106), (410, 492407), (542, 372485), (790, 255553), (943, 214090), (1355, 148994), (1817, 111110), (1886, 107045), (2710, 74497), (3239, 62330), (3634, 55555), (4715, 42818), (6233, 32390), (6478, 31165), (9085, 22222), (9430, 21409), (11111, 18170), (12466, 16195)]