140234440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4987}}^1$

素因数の和:5054

約数の個数: 64

約数和(自身を含む): 341179200

約数和(自身を除く): 200944760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 4987, 5624, 7030, 9974, 14060, 19948, 24935, 28120, 39896, 49870, 94753, 99740, 184519, 189506, 199480, 369038, 379012, 473765, 738076, 758024, 922595, 947530, 1476152, 1845190, 1895060, 3505861, 3690380, 3790120, 7011722, 7380760, 14023444, 17529305, 28046888, 35058610, 70117220, 140234440]

約数ペア:

[(1, 140234440), (2, 70117220), (4, 35058610), (5, 28046888), (8, 17529305), (10, 14023444), (19, 7380760), (20, 7011722), (37, 3790120), (38, 3690380), (40, 3505861), (74, 1895060), (76, 1845190), (95, 1476152), (148, 947530), (152, 922595), (185, 758024), (190, 738076), (296, 473765), (370, 379012), (380, 369038), (703, 199480), (740, 189506), (760, 184519), (1406, 99740), (1480, 94753), (2812, 49870), (3515, 39896), (4987, 28120), (5624, 24935), (7030, 19948), (9974, 14060)]