442400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{79}}^1$

素因数の和:106

約数の個数: 72

約数和(自身を含む): 1249920

約数和(自身を除く): 807520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 79, 80, 100, 112, 140, 158, 160, 175, 200, 224, 280, 316, 350, 395, 400, 553, 560, 632, 700, 790, 800, 1106, 1120, 1264, 1400, 1580, 1975, 2212, 2528, 2765, 2800, 3160, 3950, 4424, 5530, 5600, 6320, 7900, 8848, 11060, 12640, 13825, 15800, 17696, 22120, 27650, 31600, 44240, 55300, 63200, 88480, 110600, 221200, 442400]

約数ペア:

[(1, 442400), (2, 221200), (4, 110600), (5, 88480), (7, 63200), (8, 55300), (10, 44240), (14, 31600), (16, 27650), (20, 22120), (25, 17696), (28, 15800), (32, 13825), (35, 12640), (40, 11060), (50, 8848), (56, 7900), (70, 6320), (79, 5600), (80, 5530), (100, 4424), (112, 3950), (140, 3160), (158, 2800), (160, 2765), (175, 2528), (200, 2212), (224, 1975), (280, 1580), (316, 1400), (350, 1264), (395, 1120), (400, 1106), (553, 800), (560, 790), (632, 700)]