209439160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25793}}^1$

素因数の和:25840

約数の個数: 64

約数和(自身を含む): 557150400

約数和(自身を除く): 347711240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 25793, 51586, 103172, 128965, 180551, 206344, 257930, 361102, 515860, 722204, 747997, 902755, 1031720, 1444408, 1495994, 1805510, 2991988, 3611020, 3739985, 5235979, 5983976, 7222040, 7479970, 10471958, 14959940, 20943916, 26179895, 29919880, 41887832, 52359790, 104719580, 209439160]

約数ペア:

[(1, 209439160), (2, 104719580), (4, 52359790), (5, 41887832), (7, 29919880), (8, 26179895), (10, 20943916), (14, 14959940), (20, 10471958), (28, 7479970), (29, 7222040), (35, 5983976), (40, 5235979), (56, 3739985), (58, 3611020), (70, 2991988), (116, 1805510), (140, 1495994), (145, 1444408), (203, 1031720), (232, 902755), (280, 747997), (290, 722204), (406, 515860), (580, 361102), (812, 257930), (1015, 206344), (1160, 180551), (1624, 128965), (2030, 103172), (4060, 51586), (8120, 25793)]