361400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 911400

約数和(自身を除く): 550000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 139, 200, 260, 278, 325, 520, 556, 650, 695, 1112, 1300, 1390, 1807, 2600, 2780, 3475, 3614, 5560, 6950, 7228, 9035, 13900, 14456, 18070, 27800, 36140, 45175, 72280, 90350, 180700, 361400]

約数ペア:

[(1, 361400), (2, 180700), (4, 90350), (5, 72280), (8, 45175), (10, 36140), (13, 27800), (20, 18070), (25, 14456), (26, 13900), (40, 9035), (50, 7228), (52, 6950), (65, 5560), (100, 3614), (104, 3475), (130, 2780), (139, 2600), (200, 1807), (260, 1390), (278, 1300), (325, 1112), (520, 695), (556, 650)]