78054140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1327}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 174690432

約数和(自身を除く): 96636292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 173, 340, 346, 692, 865, 1327, 1730, 2654, 2941, 3460, 5308, 5882, 6635, 11764, 13270, 14705, 22559, 26540, 29410, 45118, 58820, 90236, 112795, 225590, 229571, 451180, 459142, 918284, 1147855, 2295710, 3902707, 4591420, 7805414, 15610828, 19513535, 39027070, 78054140]

約数ペア:

[(1, 78054140), (2, 39027070), (4, 19513535), (5, 15610828), (10, 7805414), (17, 4591420), (20, 3902707), (34, 2295710), (68, 1147855), (85, 918284), (170, 459142), (173, 451180), (340, 229571), (346, 225590), (692, 112795), (865, 90236), (1327, 58820), (1730, 45118), (2654, 29410), (2941, 26540), (3460, 22559), (5308, 14705), (5882, 13270), (6635, 11764)]