29945840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 74807712

約数和(自身を除く): 44861872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 194, 227, 272, 340, 388, 454, 485, 680, 776, 908, 970, 1135, 1360, 1552, 1649, 1816, 1940, 2270, 3298, 3632, 3859, 3880, 4540, 6596, 7718, 7760, 8245, 9080, 13192, 15436, 16490, 18160, 19295, 22019, 26384, 30872, 32980, 38590, 44038, 61744, 65960, 77180, 88076, 110095, 131920, 154360, 176152, 220190, 308720, 352304, 374323, 440380, 748646, 880760, 1497292, 1761520, 1871615, 2994584, 3743230, 5989168, 7486460, 14972920, 29945840]

約数ペア:

[(1, 29945840), (2, 14972920), (4, 7486460), (5, 5989168), (8, 3743230), (10, 2994584), (16, 1871615), (17, 1761520), (20, 1497292), (34, 880760), (40, 748646), (68, 440380), (80, 374323), (85, 352304), (97, 308720), (136, 220190), (170, 176152), (194, 154360), (227, 131920), (272, 110095), (340, 88076), (388, 77180), (454, 65960), (485, 61744), (680, 44038), (776, 38590), (908, 32980), (970, 30872), (1135, 26384), (1360, 22019), (1552, 19295), (1649, 18160), (1816, 16490), (1940, 15436), (2270, 13192), (3298, 9080), (3632, 8245), (3859, 7760), (3880, 7718), (4540, 6596)]