393900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 1239504

約数和(自身を除く): 845604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 101, 130, 150, 156, 195, 202, 260, 300, 303, 325, 390, 404, 505, 606, 650, 780, 975, 1010, 1212, 1300, 1313, 1515, 1950, 2020, 2525, 2626, 3030, 3900, 3939, 5050, 5252, 6060, 6565, 7575, 7878, 10100, 13130, 15150, 15756, 19695, 26260, 30300, 32825, 39390, 65650, 78780, 98475, 131300, 196950, 393900]

約数ペア:

[(1, 393900), (2, 196950), (3, 131300), (4, 98475), (5, 78780), (6, 65650), (10, 39390), (12, 32825), (13, 30300), (15, 26260), (20, 19695), (25, 15756), (26, 15150), (30, 13130), (39, 10100), (50, 7878), (52, 7575), (60, 6565), (65, 6060), (75, 5252), (78, 5050), (100, 3939), (101, 3900), (130, 3030), (150, 2626), (156, 2525), (195, 2020), (202, 1950), (260, 1515), (300, 1313), (303, 1300), (325, 1212), (390, 1010), (404, 975), (505, 780), (606, 650)]