28456300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 68901840

約数和(自身を除く): 40445540

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 646, 850, 881, 950, 1292, 1615, 1700, 1762, 1900, 3230, 3524, 4405, 6460, 8075, 8810, 14977, 16150, 16739, 17620, 22025, 29954, 32300, 33478, 44050, 59908, 66956, 74885, 83695, 88100, 149770, 167390, 284563, 299540, 334780, 374425, 418475, 569126, 748850, 836950, 1138252, 1422815, 1497700, 1673900, 2845630, 5691260, 7114075, 14228150, 28456300]

約数ペア:

[(1, 28456300), (2, 14228150), (4, 7114075), (5, 5691260), (10, 2845630), (17, 1673900), (19, 1497700), (20, 1422815), (25, 1138252), (34, 836950), (38, 748850), (50, 569126), (68, 418475), (76, 374425), (85, 334780), (95, 299540), (100, 284563), (170, 167390), (190, 149770), (323, 88100), (340, 83695), (380, 74885), (425, 66956), (475, 59908), (646, 44050), (850, 33478), (881, 32300), (950, 29954), (1292, 22025), (1615, 17620), (1700, 16739), (1762, 16150), (1900, 14977), (3230, 8810), (3524, 8075), (4405, 6460)]