1997145000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{44381}}^1$

素因数の和:44413

約数の個数: 120

約数和(自身を含む): 6759156690

約数和(自身を除く): 4762011690

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 625, 750, 900, 1000, 1125, 1250, 1500, 1800, 1875, 2250, 2500, 3000, 3750, 4500, 5000, 5625, 7500, 9000, 11250, 15000, 22500, 44381, 45000, 88762, 133143, 177524, 221905, 266286, 355048, 399429, 443810, 532572, 665715, 798858, 887620, 1065144, 1109525, 1331430, 1597716, 1775240, 1997145, 2219050, 2662860, 3195432, 3328575, 3994290, 4438100, 5325720, 5547625, 6657150, 7988580, 8876200, 9985725, 11095250, 13314300, 15977160, 16642875, 19971450, 22190500, 26628600, 27738125, 33285750, 39942900, 44381000, 49928625, 55476250, 66571500, 79885800, 83214375, 99857250, 110952500, 133143000, 166428750, 199714500, 221905000, 249643125, 332857500, 399429000, 499286250, 665715000, 998572500, 1997145000]

約数ペア:

[(1, 1997145000), (2, 998572500), (3, 665715000), (4, 499286250), (5, 399429000), (6, 332857500), (8, 249643125), (9, 221905000), (10, 199714500), (12, 166428750), (15, 133143000), (18, 110952500), (20, 99857250), (24, 83214375), (25, 79885800), (30, 66571500), (36, 55476250), (40, 49928625), (45, 44381000), (50, 39942900), (60, 33285750), (72, 27738125), (75, 26628600), (90, 22190500), (100, 19971450), (120, 16642875), (125, 15977160), (150, 13314300), (180, 11095250), (200, 9985725), (225, 8876200), (250, 7988580), (300, 6657150), (360, 5547625), (375, 5325720), (450, 4438100), (500, 3994290), (600, 3328575), (625, 3195432), (750, 2662860), (900, 2219050), (1000, 1997145), (1125, 1775240), (1250, 1597716), (1500, 1331430), (1800, 1109525), (1875, 1065144), (2250, 887620), (2500, 798858), (3000, 665715), (3750, 532572), (4500, 443810), (5000, 399429), (5625, 355048), (7500, 266286), (9000, 221905), (11250, 177524), (15000, 133143), (22500, 88762), (44381, 45000)]