189958020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9623}}^1$

素因数の和:9689

約数の個数: 96

約数和(自身を含む): 620863488

約数和(自身を除く): 430905468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1316, 1410, 1645, 1974, 2820, 3290, 3948, 4935, 6580, 9623, 9870, 19246, 19740, 28869, 38492, 48115, 57738, 67361, 96230, 115476, 134722, 144345, 192460, 202083, 269444, 288690, 336805, 404166, 452281, 577380, 673610, 808332, 904562, 1010415, 1347220, 1356843, 1809124, 2020830, 2261405, 2713686, 3165967, 4041660, 4522810, 5427372, 6331934, 6784215, 9045620, 9497901, 12663868, 13568430, 15829835, 18995802, 27136860, 31659670, 37991604, 47489505, 63319340, 94979010, 189958020]

約数ペア:

[(1, 189958020), (2, 94979010), (3, 63319340), (4, 47489505), (5, 37991604), (6, 31659670), (7, 27136860), (10, 18995802), (12, 15829835), (14, 13568430), (15, 12663868), (20, 9497901), (21, 9045620), (28, 6784215), (30, 6331934), (35, 5427372), (42, 4522810), (47, 4041660), (60, 3165967), (70, 2713686), (84, 2261405), (94, 2020830), (105, 1809124), (140, 1356843), (141, 1347220), (188, 1010415), (210, 904562), (235, 808332), (282, 673610), (329, 577380), (420, 452281), (470, 404166), (564, 336805), (658, 288690), (705, 269444), (940, 202083), (987, 192460), (1316, 144345), (1410, 134722), (1645, 115476), (1974, 96230), (2820, 67361), (3290, 57738), (3948, 48115), (4935, 38492), (6580, 28869), (9623, 19740), (9870, 19246)]