31903850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 70709760

約数和(自身を除く): 38805910

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 43, 50, 55, 71, 86, 95, 110, 142, 190, 209, 215, 275, 355, 418, 430, 473, 475, 550, 710, 781, 817, 946, 950, 1045, 1075, 1349, 1562, 1634, 1775, 2090, 2150, 2365, 2698, 3053, 3550, 3905, 4085, 4730, 5225, 6106, 6745, 7810, 8170, 8987, 10450, 11825, 13490, 14839, 15265, 17974, 19525, 20425, 23650, 29678, 30530, 33583, 33725, 39050, 40850, 44935, 58007, 67166, 67450, 74195, 76325, 89870, 116014, 148390, 152650, 167915, 224675, 290035, 335830, 370975, 449350, 580070, 638077, 741950, 839575, 1276154, 1450175, 1679150, 2900350, 3190385, 6380770, 15951925, 31903850]

約数ペア:

[(1, 31903850), (2, 15951925), (5, 6380770), (10, 3190385), (11, 2900350), (19, 1679150), (22, 1450175), (25, 1276154), (38, 839575), (43, 741950), (50, 638077), (55, 580070), (71, 449350), (86, 370975), (95, 335830), (110, 290035), (142, 224675), (190, 167915), (209, 152650), (215, 148390), (275, 116014), (355, 89870), (418, 76325), (430, 74195), (473, 67450), (475, 67166), (550, 58007), (710, 44935), (781, 40850), (817, 39050), (946, 33725), (950, 33583), (1045, 30530), (1075, 29678), (1349, 23650), (1562, 20425), (1634, 19525), (1775, 17974), (2090, 15265), (2150, 14839), (2365, 13490), (2698, 11825), (3053, 10450), (3550, 8987), (3905, 8170), (4085, 7810), (4730, 6745), (5225, 6106)]