197554980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{727}}^1$

素因数の和:1393

約数の個数: 96

約数和(自身を含む): 634023936

約数和(自身を除く): 436468956

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, 727, 1294, 1454, 1941, 2181, 2588, 2908, 3235, 3635, 3882, 4362, 4529, 5089, 6470, 7270, 7764, 8724, 9058, 9705, 10178, 10905, 12940, 13587, 14540, 15267, 18116, 19410, 20356, 21810, 22645, 25445, 27174, 30534, 38820, 43620, 45290, 50890, 54348, 61068, 67935, 76335, 90580, 101780, 135870, 152670, 271740, 305340, 470369, 940738, 1411107, 1881476, 2351845, 2822214, 3292583, 4703690, 5644428, 6585166, 7055535, 9407380, 9877749, 13170332, 14111070, 16462915, 19755498, 28222140, 32925830, 39510996, 49388745, 65851660, 98777490, 197554980]

約数ペア:

[(1, 197554980), (2, 98777490), (3, 65851660), (4, 49388745), (5, 39510996), (6, 32925830), (7, 28222140), (10, 19755498), (12, 16462915), (14, 14111070), (15, 13170332), (20, 9877749), (21, 9407380), (28, 7055535), (30, 6585166), (35, 5644428), (42, 4703690), (60, 3292583), (70, 2822214), (84, 2351845), (105, 1881476), (140, 1411107), (210, 940738), (420, 470369), (647, 305340), (727, 271740), (1294, 152670), (1454, 135870), (1941, 101780), (2181, 90580), (2588, 76335), (2908, 67935), (3235, 61068), (3635, 54348), (3882, 50890), (4362, 45290), (4529, 43620), (5089, 38820), (6470, 30534), (7270, 27174), (7764, 25445), (8724, 22645), (9058, 21810), (9705, 20356), (10178, 19410), (10905, 18116), (12940, 15267), (13587, 14540)]