398590930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{2693}}^1$

素因数の和:2779

約数の個数: 48

約数和(自身を含む): 775968984

約数和(自身を除く): 377378054

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 361, 410, 722, 779, 1558, 1805, 2693, 3610, 3895, 5386, 7790, 13465, 14801, 26930, 29602, 51167, 74005, 102334, 110413, 148010, 220826, 255835, 511670, 552065, 972173, 1104130, 1944346, 2097847, 4195694, 4860865, 9721730, 10489235, 20978470, 39859093, 79718186, 199295465, 398590930]

約数ペア:

[(1, 398590930), (2, 199295465), (5, 79718186), (10, 39859093), (19, 20978470), (38, 10489235), (41, 9721730), (82, 4860865), (95, 4195694), (190, 2097847), (205, 1944346), (361, 1104130), (410, 972173), (722, 552065), (779, 511670), (1558, 255835), (1805, 220826), (2693, 148010), (3610, 110413), (3895, 102334), (5386, 74005), (7790, 51167), (13465, 29602), (14801, 26930)]