31007240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3709}}^1$

素因数の和:3750

約数の個数: 64

約数和(自身を含む): 80136000

約数和(自身を除く): 49128760

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 3709, 4180, 7418, 8360, 14836, 18545, 29672, 37090, 40799, 70471, 74180, 81598, 140942, 148360, 163196, 203995, 281884, 326392, 352355, 407990, 563768, 704710, 775181, 815980, 1409420, 1550362, 1631960, 2818840, 3100724, 3875905, 6201448, 7751810, 15503620, 31007240]

約数ペア:

[(1, 31007240), (2, 15503620), (4, 7751810), (5, 6201448), (8, 3875905), (10, 3100724), (11, 2818840), (19, 1631960), (20, 1550362), (22, 1409420), (38, 815980), (40, 775181), (44, 704710), (55, 563768), (76, 407990), (88, 352355), (95, 326392), (110, 281884), (152, 203995), (190, 163196), (209, 148360), (220, 140942), (380, 81598), (418, 74180), (440, 70471), (760, 40799), (836, 37090), (1045, 29672), (1672, 18545), (2090, 14836), (3709, 8360), (4180, 7418)]