172988375

素因数分解:

$5^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 255805056

約数和(自身を除く): 82816681

約数列:

[1, 5, 7, 25, 35, 49, 61, 125, 175, 245, 305, 427, 463, 875, 1225, 1525, 2135, 2315, 2989, 3241, 6125, 7625, 10675, 11575, 14945, 16205, 22687, 28243, 53375, 57875, 74725, 81025, 113435, 141215, 197701, 373625, 405125, 567175, 706075, 988505, 1383907, 2835875, 3530375, 4942525, 6919535, 24712625, 34597675, 172988375]

約数ペア:

[(1, 172988375), (5, 34597675), (7, 24712625), (25, 6919535), (35, 4942525), (49, 3530375), (61, 2835875), (125, 1383907), (175, 988505), (245, 706075), (305, 567175), (427, 405125), (463, 373625), (875, 197701), (1225, 141215), (1525, 113435), (2135, 81025), (2315, 74725), (2989, 57875), (3241, 53375), (6125, 28243), (7625, 22687), (10675, 16205), (11575, 14945)]