210301420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 530804736

約数和(自身を除く): 320503316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 241, 271, 322, 460, 482, 542, 644, 805, 964, 1084, 1205, 1355, 1610, 1687, 1897, 2410, 2710, 3220, 3374, 3794, 4820, 5420, 5543, 6233, 6748, 7588, 8435, 9485, 11086, 12466, 16870, 18970, 22172, 24932, 27715, 31165, 33740, 37940, 38801, 43631, 55430, 62330, 65311, 77602, 87262, 110860, 124660, 130622, 155204, 174524, 194005, 218155, 261244, 326555, 388010, 436310, 457177, 653110, 776020, 872620, 914354, 1306220, 1502153, 1828708, 2285885, 3004306, 4571770, 6008612, 7510765, 9143540, 10515071, 15021530, 21030142, 30043060, 42060284, 52575355, 105150710, 210301420]

約数ペア:

[(1, 210301420), (2, 105150710), (4, 52575355), (5, 42060284), (7, 30043060), (10, 21030142), (14, 15021530), (20, 10515071), (23, 9143540), (28, 7510765), (35, 6008612), (46, 4571770), (70, 3004306), (92, 2285885), (115, 1828708), (140, 1502153), (161, 1306220), (230, 914354), (241, 872620), (271, 776020), (322, 653110), (460, 457177), (482, 436310), (542, 388010), (644, 326555), (805, 261244), (964, 218155), (1084, 194005), (1205, 174524), (1355, 155204), (1610, 130622), (1687, 124660), (1897, 110860), (2410, 87262), (2710, 77602), (3220, 65311), (3374, 62330), (3794, 55430), (4820, 43631), (5420, 38801), (5543, 37940), (6233, 33740), (6748, 31165), (7588, 27715), (8435, 24932), (9485, 22172), (11086, 18970), (12466, 16870)]