129200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:54

約数の個数: 60

約数和(自身を含む): 345960

約数和(自身を除く): 216760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 80, 85, 95, 100, 136, 152, 170, 190, 200, 272, 304, 323, 340, 380, 400, 425, 475, 646, 680, 760, 850, 950, 1292, 1360, 1520, 1615, 1700, 1900, 2584, 3230, 3400, 3800, 5168, 6460, 6800, 7600, 8075, 12920, 16150, 25840, 32300, 64600, 129200]

約数ペア:

[(1, 129200), (2, 64600), (4, 32300), (5, 25840), (8, 16150), (10, 12920), (16, 8075), (17, 7600), (19, 6800), (20, 6460), (25, 5168), (34, 3800), (38, 3400), (40, 3230), (50, 2584), (68, 1900), (76, 1700), (80, 1615), (85, 1520), (95, 1360), (100, 1292), (136, 950), (152, 850), (170, 760), (190, 680), (200, 646), (272, 475), (304, 425), (323, 400), (340, 380)]