189781676

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 412608000

約数和(自身を除く): 222826324

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 68, 94, 119, 188, 238, 289, 329, 476, 499, 578, 658, 799, 998, 1156, 1316, 1598, 1996, 2023, 3196, 3493, 4046, 5593, 6986, 8092, 8483, 11186, 13583, 13972, 16966, 22372, 23453, 27166, 33932, 46906, 54332, 59381, 93812, 95081, 118762, 144211, 164171, 190162, 237524, 288422, 328342, 380324, 398701, 576844, 656684, 797402, 1009477, 1594804, 2018954, 2790907, 4037908, 5581814, 6777917, 11163628, 13555834, 27111668, 47445419, 94890838, 189781676]

約数ペア:

[(1, 189781676), (2, 94890838), (4, 47445419), (7, 27111668), (14, 13555834), (17, 11163628), (28, 6777917), (34, 5581814), (47, 4037908), (68, 2790907), (94, 2018954), (119, 1594804), (188, 1009477), (238, 797402), (289, 656684), (329, 576844), (476, 398701), (499, 380324), (578, 328342), (658, 288422), (799, 237524), (998, 190162), (1156, 164171), (1316, 144211), (1598, 118762), (1996, 95081), (2023, 93812), (3196, 59381), (3493, 54332), (4046, 46906), (5593, 33932), (6986, 27166), (8092, 23453), (8483, 22372), (11186, 16966), (13583, 13972)]