28147070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 65007360

約数和(自身を除く): 36860290

約数列:

[1, 2, 5, 7, 10, 14, 17, 31, 34, 35, 49, 62, 70, 85, 98, 109, 119, 155, 170, 217, 218, 238, 245, 310, 434, 490, 527, 545, 595, 763, 833, 1054, 1085, 1090, 1190, 1519, 1526, 1666, 1853, 2170, 2635, 3038, 3379, 3689, 3706, 3815, 4165, 5270, 5341, 6758, 7378, 7595, 7630, 8330, 9265, 10682, 12971, 15190, 16895, 18445, 18530, 23653, 25823, 25942, 26705, 33790, 36890, 47306, 51646, 53410, 57443, 64855, 90797, 114886, 118265, 129115, 129710, 165571, 181594, 236530, 258230, 287215, 331142, 402101, 453985, 574430, 804202, 827855, 907970, 1655710, 2010505, 2814707, 4021010, 5629414, 14073535, 28147070]

約数ペア:

[(1, 28147070), (2, 14073535), (5, 5629414), (7, 4021010), (10, 2814707), (14, 2010505), (17, 1655710), (31, 907970), (34, 827855), (35, 804202), (49, 574430), (62, 453985), (70, 402101), (85, 331142), (98, 287215), (109, 258230), (119, 236530), (155, 181594), (170, 165571), (217, 129710), (218, 129115), (238, 118265), (245, 114886), (310, 90797), (434, 64855), (490, 57443), (527, 53410), (545, 51646), (595, 47306), (763, 36890), (833, 33790), (1054, 26705), (1085, 25942), (1090, 25823), (1190, 23653), (1519, 18530), (1526, 18445), (1666, 16895), (1853, 15190), (2170, 12971), (2635, 10682), (3038, 9265), (3379, 8330), (3689, 7630), (3706, 7595), (3815, 7378), (4165, 6758), (5270, 5341)]