199295540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 453720960

約数和(自身を除く): 254425420

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 61, 86, 116, 122, 131, 145, 172, 215, 244, 262, 290, 305, 430, 524, 580, 610, 655, 860, 1220, 1247, 1310, 1769, 2494, 2620, 2623, 3538, 3799, 4988, 5246, 5633, 6235, 7076, 7598, 7991, 8845, 10492, 11266, 12470, 13115, 15196, 15982, 17690, 18995, 22532, 24940, 26230, 28165, 31964, 35380, 37990, 39955, 52460, 56330, 75980, 76067, 79910, 112660, 152134, 159820, 163357, 231739, 304268, 326714, 343613, 380335, 463478, 653428, 687226, 760670, 816785, 926956, 1158695, 1374452, 1521340, 1633570, 1718065, 2317390, 3267140, 3436130, 4634780, 6872260, 9964777, 19929554, 39859108, 49823885, 99647770, 199295540]

約数ペア:

[(1, 199295540), (2, 99647770), (4, 49823885), (5, 39859108), (10, 19929554), (20, 9964777), (29, 6872260), (43, 4634780), (58, 3436130), (61, 3267140), (86, 2317390), (116, 1718065), (122, 1633570), (131, 1521340), (145, 1374452), (172, 1158695), (215, 926956), (244, 816785), (262, 760670), (290, 687226), (305, 653428), (430, 463478), (524, 380335), (580, 343613), (610, 326714), (655, 304268), (860, 231739), (1220, 163357), (1247, 159820), (1310, 152134), (1769, 112660), (2494, 79910), (2620, 76067), (2623, 75980), (3538, 56330), (3799, 52460), (4988, 39955), (5246, 37990), (5633, 35380), (6235, 31964), (7076, 28165), (7598, 26230), (7991, 24940), (8845, 22532), (10492, 18995), (11266, 17690), (12470, 15982), (13115, 15196)]