405494490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1499}}^1$

素因数の和:1707

約数の個数: 64

約数和(自身を含む): 995328000

約数和(自身を除く): 589833510

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 127, 142, 213, 254, 355, 381, 426, 635, 710, 762, 1065, 1270, 1499, 1905, 2130, 2998, 3810, 4497, 7495, 8994, 9017, 14990, 18034, 22485, 27051, 44970, 45085, 54102, 90170, 106429, 135255, 190373, 212858, 270510, 319287, 380746, 532145, 571119, 638574, 951865, 1064290, 1142238, 1596435, 1903730, 2855595, 3192870, 5711190, 13516483, 27032966, 40549449, 67582415, 81098898, 135164830, 202747245, 405494490]

約数ペア:

[(1, 405494490), (2, 202747245), (3, 135164830), (5, 81098898), (6, 67582415), (10, 40549449), (15, 27032966), (30, 13516483), (71, 5711190), (127, 3192870), (142, 2855595), (213, 1903730), (254, 1596435), (355, 1142238), (381, 1064290), (426, 951865), (635, 638574), (710, 571119), (762, 532145), (1065, 380746), (1270, 319287), (1499, 270510), (1905, 212858), (2130, 190373), (2998, 135255), (3810, 106429), (4497, 90170), (7495, 54102), (8994, 45085), (9017, 44970), (14990, 27051), (18034, 22485)]