1900500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{181}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 6359808

約数和(自身を除く): 4459308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 181, 210, 250, 300, 350, 362, 375, 420, 500, 525, 543, 700, 724, 750, 875, 905, 1050, 1086, 1267, 1500, 1750, 1810, 2100, 2172, 2534, 2625, 2715, 3500, 3620, 3801, 4525, 5068, 5250, 5430, 6335, 7602, 9050, 10500, 10860, 12670, 13575, 15204, 18100, 19005, 22625, 25340, 27150, 31675, 38010, 45250, 54300, 63350, 67875, 76020, 90500, 95025, 126700, 135750, 158375, 190050, 271500, 316750, 380100, 475125, 633500, 950250, 1900500]

約数ペア:

[(1, 1900500), (2, 950250), (3, 633500), (4, 475125), (5, 380100), (6, 316750), (7, 271500), (10, 190050), (12, 158375), (14, 135750), (15, 126700), (20, 95025), (21, 90500), (25, 76020), (28, 67875), (30, 63350), (35, 54300), (42, 45250), (50, 38010), (60, 31675), (70, 27150), (75, 25340), (84, 22625), (100, 19005), (105, 18100), (125, 15204), (140, 13575), (150, 12670), (175, 10860), (181, 10500), (210, 9050), (250, 7602), (300, 6335), (350, 5430), (362, 5250), (375, 5068), (420, 4525), (500, 3801), (525, 3620), (543, 3500), (700, 2715), (724, 2625), (750, 2534), (875, 2172), (905, 2100), (1050, 1810), (1086, 1750), (1267, 1500)]