465400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 1171800

約数和(自身を除く): 706400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 179, 200, 260, 325, 358, 520, 650, 716, 895, 1300, 1432, 1790, 2327, 2600, 3580, 4475, 4654, 7160, 8950, 9308, 11635, 17900, 18616, 23270, 35800, 46540, 58175, 93080, 116350, 232700, 465400]

約数ペア:

[(1, 465400), (2, 232700), (4, 116350), (5, 93080), (8, 58175), (10, 46540), (13, 35800), (20, 23270), (25, 18616), (26, 17900), (40, 11635), (50, 9308), (52, 8950), (65, 7160), (100, 4654), (104, 4475), (130, 3580), (179, 2600), (200, 2327), (260, 1790), (325, 1432), (358, 1300), (520, 895), (650, 716)]