287144620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 752596992

約数和(自身を除く): 465452372

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 47, 68, 70, 85, 94, 119, 140, 151, 170, 188, 235, 238, 289, 302, 329, 340, 470, 476, 578, 595, 604, 658, 755, 799, 940, 1057, 1156, 1190, 1316, 1445, 1510, 1598, 1645, 2023, 2114, 2380, 2567, 2890, 3020, 3196, 3290, 3995, 4046, 4228, 5134, 5285, 5593, 5780, 6580, 7097, 7990, 8092, 10115, 10268, 10570, 11186, 12835, 13583, 14194, 15980, 17969, 20230, 21140, 22372, 25670, 27166, 27965, 28388, 35485, 35938, 40460, 43639, 49679, 51340, 54332, 55930, 67915, 70970, 71876, 87278, 89845, 95081, 99358, 111860, 120649, 135830, 141940, 174556, 179690, 190162, 198716, 218195, 241298, 248395, 271660, 305473, 359380, 380324, 436390, 475405, 482596, 496790, 603245, 610946, 844543, 872780, 950810, 993580, 1206490, 1221892, 1527365, 1689086, 1901620, 2051033, 2412980, 3054730, 3378172, 4102066, 4222715, 6109460, 8204132, 8445430, 10255165, 14357231, 16890860, 20510330, 28714462, 41020660, 57428924, 71786155, 143572310, 287144620]

約数ペア:

[(1, 287144620), (2, 143572310), (4, 71786155), (5, 57428924), (7, 41020660), (10, 28714462), (14, 20510330), (17, 16890860), (20, 14357231), (28, 10255165), (34, 8445430), (35, 8204132), (47, 6109460), (68, 4222715), (70, 4102066), (85, 3378172), (94, 3054730), (119, 2412980), (140, 2051033), (151, 1901620), (170, 1689086), (188, 1527365), (235, 1221892), (238, 1206490), (289, 993580), (302, 950810), (329, 872780), (340, 844543), (470, 610946), (476, 603245), (578, 496790), (595, 482596), (604, 475405), (658, 436390), (755, 380324), (799, 359380), (940, 305473), (1057, 271660), (1156, 248395), (1190, 241298), (1316, 218195), (1445, 198716), (1510, 190162), (1598, 179690), (1645, 174556), (2023, 141940), (2114, 135830), (2380, 120649), (2567, 111860), (2890, 99358), (3020, 95081), (3196, 89845), (3290, 87278), (3995, 71876), (4046, 70970), (4228, 67915), (5134, 55930), (5285, 54332), (5593, 51340), (5780, 49679), (6580, 43639), (7097, 40460), (7990, 35938), (8092, 35485), (10115, 28388), (10268, 27965), (10570, 27166), (11186, 25670), (12835, 22372), (13583, 21140), (14194, 20230), (15980, 17969)]