77431220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 165957120

約数和(自身を除く): 88525900

約数列:

[1, 2, 4, 5, 10, 20, 97, 167, 194, 239, 334, 388, 478, 485, 668, 835, 956, 970, 1195, 1670, 1940, 2390, 3340, 4780, 16199, 23183, 32398, 39913, 46366, 64796, 79826, 80995, 92732, 115915, 159652, 161990, 199565, 231830, 323980, 399130, 463660, 798260, 3871561, 7743122, 15486244, 19357805, 38715610, 77431220]

約数ペア:

[(1, 77431220), (2, 38715610), (4, 19357805), (5, 15486244), (10, 7743122), (20, 3871561), (97, 798260), (167, 463660), (194, 399130), (239, 323980), (334, 231830), (388, 199565), (478, 161990), (485, 159652), (668, 115915), (835, 92732), (956, 80995), (970, 79826), (1195, 64796), (1670, 46366), (1940, 39913), (2390, 32398), (3340, 23183), (4780, 16199)]