388739650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{3457}}^1$

素因数の和:3655

約数の個数: 48

約数和(自身を含む): 783402984

約数和(自身を除く): 394663334

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 173, 325, 346, 650, 865, 1730, 2249, 3457, 4325, 4498, 6914, 8650, 11245, 17285, 22490, 34570, 44941, 56225, 86425, 89882, 112450, 172850, 224705, 449410, 598061, 1123525, 1196122, 2247050, 2990305, 5980610, 7774793, 14951525, 15549586, 29903050, 38873965, 77747930, 194369825, 388739650]

約数ペア:

[(1, 388739650), (2, 194369825), (5, 77747930), (10, 38873965), (13, 29903050), (25, 15549586), (26, 14951525), (50, 7774793), (65, 5980610), (130, 2990305), (173, 2247050), (325, 1196122), (346, 1123525), (650, 598061), (865, 449410), (1730, 224705), (2249, 172850), (3457, 112450), (4325, 89882), (4498, 86425), (6914, 56225), (8650, 44941), (11245, 34570), (17285, 22490)]