51023740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 116750592

約数和(自身を除く): 65726852

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 191, 361, 370, 380, 382, 703, 722, 740, 764, 955, 1406, 1444, 1805, 1910, 2812, 3515, 3610, 3629, 3820, 7030, 7067, 7220, 7258, 13357, 14060, 14134, 14516, 18145, 26714, 28268, 35335, 36290, 53428, 66785, 68951, 70670, 72580, 133570, 134273, 137902, 141340, 267140, 268546, 275804, 344755, 537092, 671365, 689510, 1342730, 1379020, 2551187, 2685460, 5102374, 10204748, 12755935, 25511870, 51023740]

約数ペア:

[(1, 51023740), (2, 25511870), (4, 12755935), (5, 10204748), (10, 5102374), (19, 2685460), (20, 2551187), (37, 1379020), (38, 1342730), (74, 689510), (76, 671365), (95, 537092), (148, 344755), (185, 275804), (190, 268546), (191, 267140), (361, 141340), (370, 137902), (380, 134273), (382, 133570), (703, 72580), (722, 70670), (740, 68951), (764, 66785), (955, 53428), (1406, 36290), (1444, 35335), (1805, 28268), (1910, 26714), (2812, 18145), (3515, 14516), (3610, 14134), (3629, 14060), (3820, 13357), (7030, 7258), (7067, 7220)]