25528020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 87716160

約数和(自身を除く): 62188140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 457, 490, 532, 570, 588, 665, 735, 798, 914, 931, 980, 1140, 1330, 1371, 1470, 1596, 1828, 1862, 1995, 2285, 2660, 2742, 2793, 2940, 3199, 3724, 3990, 4570, 4655, 5484, 5586, 6398, 6855, 7980, 8683, 9140, 9310, 9597, 11172, 12796, 13710, 13965, 15995, 17366, 18620, 19194, 22393, 26049, 27420, 27930, 31990, 34732, 38388, 43415, 44786, 47985, 52098, 55860, 60781, 63980, 67179, 86830, 89572, 95970, 104196, 111965, 121562, 130245, 134358, 173660, 182343, 191940, 223930, 243124, 260490, 268716, 303905, 335895, 364686, 425467, 447860, 520980, 607810, 671790, 729372, 850934, 911715, 1215620, 1276401, 1343580, 1701868, 1823430, 2127335, 2552802, 3646860, 4254670, 5105604, 6382005, 8509340, 12764010, 25528020]

約数ペア:

[(1, 25528020), (2, 12764010), (3, 8509340), (4, 6382005), (5, 5105604), (6, 4254670), (7, 3646860), (10, 2552802), (12, 2127335), (14, 1823430), (15, 1701868), (19, 1343580), (20, 1276401), (21, 1215620), (28, 911715), (30, 850934), (35, 729372), (38, 671790), (42, 607810), (49, 520980), (57, 447860), (60, 425467), (70, 364686), (76, 335895), (84, 303905), (95, 268716), (98, 260490), (105, 243124), (114, 223930), (133, 191940), (140, 182343), (147, 173660), (190, 134358), (196, 130245), (210, 121562), (228, 111965), (245, 104196), (266, 95970), (285, 89572), (294, 86830), (380, 67179), (399, 63980), (420, 60781), (457, 55860), (490, 52098), (532, 47985), (570, 44786), (588, 43415), (665, 38388), (735, 34732), (798, 31990), (914, 27930), (931, 27420), (980, 26049), (1140, 22393), (1330, 19194), (1371, 18620), (1470, 17366), (1596, 15995), (1828, 13965), (1862, 13710), (1995, 12796), (2285, 11172), (2660, 9597), (2742, 9310), (2793, 9140), (2940, 8683), (3199, 7980), (3724, 6855), (3990, 6398), (4570, 5586), (4655, 5484)]