158903200

素因数分解:

$2^5\times 5^2\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:974

約数の個数: 72

約数和(自身を含む): 389787552

約数和(自身を除く): 230884352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 307, 400, 614, 647, 800, 1228, 1294, 1535, 2456, 2588, 3070, 3235, 4912, 5176, 6140, 6470, 7675, 9824, 10352, 12280, 12940, 15350, 16175, 20704, 24560, 25880, 30700, 32350, 49120, 51760, 61400, 64700, 103520, 122800, 129400, 198629, 245600, 258800, 397258, 517600, 794516, 993145, 1589032, 1986290, 3178064, 3972580, 4965725, 6356128, 7945160, 9931450, 15890320, 19862900, 31780640, 39725800, 79451600, 158903200]

約数ペア:

[(1, 158903200), (2, 79451600), (4, 39725800), (5, 31780640), (8, 19862900), (10, 15890320), (16, 9931450), (20, 7945160), (25, 6356128), (32, 4965725), (40, 3972580), (50, 3178064), (80, 1986290), (100, 1589032), (160, 993145), (200, 794516), (307, 517600), (400, 397258), (614, 258800), (647, 245600), (800, 198629), (1228, 129400), (1294, 122800), (1535, 103520), (2456, 64700), (2588, 61400), (3070, 51760), (3235, 49120), (4912, 32350), (5176, 30700), (6140, 25880), (6470, 24560), (7675, 20704), (9824, 16175), (10352, 15350), (12280, 12940)]