248857900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 108

約数和(自身を含む): 586247200

約数和(自身を除く): 337389300

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 79, 85, 100, 109, 158, 170, 218, 289, 316, 340, 395, 425, 436, 545, 578, 790, 850, 1090, 1156, 1343, 1445, 1580, 1700, 1853, 1975, 2180, 2686, 2725, 2890, 3706, 3950, 5372, 5450, 5780, 6715, 7225, 7412, 7900, 8611, 9265, 10900, 13430, 14450, 17222, 18530, 22831, 26860, 28900, 31501, 33575, 34444, 37060, 43055, 45662, 46325, 63002, 67150, 86110, 91324, 92650, 114155, 126004, 134300, 146387, 157505, 172220, 185300, 215275, 228310, 292774, 315010, 430550, 456620, 570775, 585548, 630020, 731935, 787525, 861100, 1141550, 1463870, 1575050, 2283100, 2488579, 2927740, 3150100, 3659675, 4977158, 7319350, 9954316, 12442895, 14638700, 24885790, 49771580, 62214475, 124428950, 248857900]

約数ペア:

[(1, 248857900), (2, 124428950), (4, 62214475), (5, 49771580), (10, 24885790), (17, 14638700), (20, 12442895), (25, 9954316), (34, 7319350), (50, 4977158), (68, 3659675), (79, 3150100), (85, 2927740), (100, 2488579), (109, 2283100), (158, 1575050), (170, 1463870), (218, 1141550), (289, 861100), (316, 787525), (340, 731935), (395, 630020), (425, 585548), (436, 570775), (545, 456620), (578, 430550), (790, 315010), (850, 292774), (1090, 228310), (1156, 215275), (1343, 185300), (1445, 172220), (1580, 157505), (1700, 146387), (1853, 134300), (1975, 126004), (2180, 114155), (2686, 92650), (2725, 91324), (2890, 86110), (3706, 67150), (3950, 63002), (5372, 46325), (5450, 45662), (5780, 43055), (6715, 37060), (7225, 34444), (7412, 33575), (7900, 31501), (8611, 28900), (9265, 26860), (10900, 22831), (13430, 18530), (14450, 17222)]