398486590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 758419200

約数和(自身を除く): 359932610

約数列:

[1, 2, 5, 10, 43, 59, 86, 113, 118, 139, 215, 226, 278, 295, 430, 565, 590, 695, 1130, 1390, 2537, 4859, 5074, 5977, 6667, 8201, 9718, 11954, 12685, 13334, 15707, 16402, 24295, 25370, 29885, 31414, 33335, 41005, 48590, 59770, 66670, 78535, 82010, 157070, 286681, 352643, 573362, 675401, 705286, 926713, 1350802, 1433405, 1763215, 1853426, 2866810, 3377005, 3526430, 4633565, 6754010, 9267130, 39848659, 79697318, 199243295, 398486590]

約数ペア:

[(1, 398486590), (2, 199243295), (5, 79697318), (10, 39848659), (43, 9267130), (59, 6754010), (86, 4633565), (113, 3526430), (118, 3377005), (139, 2866810), (215, 1853426), (226, 1763215), (278, 1433405), (295, 1350802), (430, 926713), (565, 705286), (590, 675401), (695, 573362), (1130, 352643), (1390, 286681), (2537, 157070), (4859, 82010), (5074, 78535), (5977, 66670), (6667, 59770), (8201, 48590), (9718, 41005), (11954, 33335), (12685, 31414), (13334, 29885), (15707, 25370), (16402, 24295)]