9983740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 24837120

約数和(自身を除く): 14853380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 47, 52, 65, 76, 86, 94, 95, 130, 172, 188, 190, 215, 235, 247, 260, 380, 430, 470, 494, 559, 611, 817, 860, 893, 940, 988, 1118, 1222, 1235, 1634, 1786, 2021, 2236, 2444, 2470, 2795, 3055, 3268, 3572, 4042, 4085, 4465, 4940, 5590, 6110, 8084, 8170, 8930, 10105, 10621, 11180, 11609, 12220, 16340, 17860, 20210, 21242, 23218, 26273, 38399, 40420, 42484, 46436, 52546, 53105, 58045, 76798, 105092, 106210, 116090, 131365, 153596, 191995, 212420, 232180, 262730, 383990, 499187, 525460, 767980, 998374, 1996748, 2495935, 4991870, 9983740]

約数ペア:

[(1, 9983740), (2, 4991870), (4, 2495935), (5, 1996748), (10, 998374), (13, 767980), (19, 525460), (20, 499187), (26, 383990), (38, 262730), (43, 232180), (47, 212420), (52, 191995), (65, 153596), (76, 131365), (86, 116090), (94, 106210), (95, 105092), (130, 76798), (172, 58045), (188, 53105), (190, 52546), (215, 46436), (235, 42484), (247, 40420), (260, 38399), (380, 26273), (430, 23218), (470, 21242), (494, 20210), (559, 17860), (611, 16340), (817, 12220), (860, 11609), (893, 11180), (940, 10621), (988, 10105), (1118, 8930), (1222, 8170), (1235, 8084), (1634, 6110), (1786, 5590), (2021, 4940), (2236, 4465), (2444, 4085), (2470, 4042), (2795, 3572), (3055, 3268)]