201324880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{827}}^1$

素因数の和:1036

約数の個数: 80

約数和(自身を含む): 498985920

約数和(自身を除く): 297661040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 179, 272, 340, 358, 680, 716, 827, 895, 1360, 1432, 1654, 1790, 2864, 3043, 3308, 3580, 4135, 6086, 6616, 7160, 8270, 12172, 13232, 14059, 14320, 15215, 16540, 24344, 28118, 30430, 33080, 48688, 56236, 60860, 66160, 70295, 112472, 121720, 140590, 148033, 224944, 243440, 281180, 296066, 562360, 592132, 740165, 1124720, 1184264, 1480330, 2368528, 2516561, 2960660, 5033122, 5921320, 10066244, 11842640, 12582805, 20132488, 25165610, 40264976, 50331220, 100662440, 201324880]

約数ペア:

[(1, 201324880), (2, 100662440), (4, 50331220), (5, 40264976), (8, 25165610), (10, 20132488), (16, 12582805), (17, 11842640), (20, 10066244), (34, 5921320), (40, 5033122), (68, 2960660), (80, 2516561), (85, 2368528), (136, 1480330), (170, 1184264), (179, 1124720), (272, 740165), (340, 592132), (358, 562360), (680, 296066), (716, 281180), (827, 243440), (895, 224944), (1360, 148033), (1432, 140590), (1654, 121720), (1790, 112472), (2864, 70295), (3043, 66160), (3308, 60860), (3580, 56236), (4135, 48688), (6086, 33080), (6616, 30430), (7160, 28118), (8270, 24344), (12172, 16540), (13232, 15215), (14059, 14320)]