155407780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{30713}}^1$

素因数の和:30756

約数の個数: 48

約数和(自身を含む): 371516544

約数和(自身を除く): 216108764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 30713, 61426, 122852, 153565, 307130, 337843, 614260, 675686, 706399, 1351372, 1412798, 1689215, 2825596, 3378430, 3531995, 6756860, 7063990, 7770389, 14127980, 15540778, 31081556, 38851945, 77703890, 155407780]

約数ペア:

[(1, 155407780), (2, 77703890), (4, 38851945), (5, 31081556), (10, 15540778), (11, 14127980), (20, 7770389), (22, 7063990), (23, 6756860), (44, 3531995), (46, 3378430), (55, 2825596), (92, 1689215), (110, 1412798), (115, 1351372), (220, 706399), (230, 675686), (253, 614260), (460, 337843), (506, 307130), (1012, 153565), (1265, 122852), (2530, 61426), (5060, 30713)]