201902820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{743}}^1$

素因数の和:1409

約数の個数: 96

約数和(自身を含む): 647958528

約数和(自身を除く): 446055708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 647, 743, 1294, 1486, 1941, 2229, 2588, 2972, 3235, 3715, 3882, 4458, 4529, 5201, 6470, 7430, 7764, 8916, 9058, 9705, 10402, 11145, 12940, 13587, 14860, 15603, 18116, 19410, 20804, 22290, 22645, 26005, 27174, 31206, 38820, 44580, 45290, 52010, 54348, 62412, 67935, 78015, 90580, 104020, 135870, 156030, 271740, 312060, 480721, 961442, 1442163, 1922884, 2403605, 2884326, 3365047, 4807210, 5768652, 6730094, 7210815, 9614420, 10095141, 13460188, 14421630, 16825235, 20190282, 28843260, 33650470, 40380564, 50475705, 67300940, 100951410, 201902820]

約数ペア:

[(1, 201902820), (2, 100951410), (3, 67300940), (4, 50475705), (5, 40380564), (6, 33650470), (7, 28843260), (10, 20190282), (12, 16825235), (14, 14421630), (15, 13460188), (20, 10095141), (21, 9614420), (28, 7210815), (30, 6730094), (35, 5768652), (42, 4807210), (60, 3365047), (70, 2884326), (84, 2403605), (105, 1922884), (140, 1442163), (210, 961442), (420, 480721), (647, 312060), (743, 271740), (1294, 156030), (1486, 135870), (1941, 104020), (2229, 90580), (2588, 78015), (2972, 67935), (3235, 62412), (3715, 54348), (3882, 52010), (4458, 45290), (4529, 44580), (5201, 38820), (6470, 31206), (7430, 27174), (7764, 26005), (8916, 22645), (9058, 22290), (9705, 20804), (10402, 19410), (11145, 18116), (12940, 15603), (13587, 14860)]