404477080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 1094446080

約数和(自身を除く): 689969000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 181, 184, 230, 280, 322, 347, 362, 460, 644, 694, 724, 805, 905, 920, 1267, 1288, 1388, 1448, 1610, 1735, 1810, 2429, 2534, 2776, 3220, 3470, 3620, 4163, 4858, 5068, 6335, 6440, 6940, 7240, 7981, 8326, 9716, 10136, 12145, 12670, 13880, 15962, 16652, 19432, 20815, 24290, 25340, 29141, 31924, 33304, 39905, 41630, 48580, 50680, 55867, 58282, 62807, 63848, 79810, 83260, 97160, 111734, 116564, 125614, 145705, 159620, 166520, 223468, 233128, 251228, 279335, 291410, 314035, 319240, 439649, 446936, 502456, 558670, 582820, 628070, 879298, 1117340, 1165640, 1256140, 1444561, 1758596, 2198245, 2234680, 2512280, 2889122, 3517192, 4396490, 5778244, 7222805, 8792980, 10111927, 11556488, 14445610, 17585960, 20223854, 28891220, 40447708, 50559635, 57782440, 80895416, 101119270, 202238540, 404477080]

約数ペア:

[(1, 404477080), (2, 202238540), (4, 101119270), (5, 80895416), (7, 57782440), (8, 50559635), (10, 40447708), (14, 28891220), (20, 20223854), (23, 17585960), (28, 14445610), (35, 11556488), (40, 10111927), (46, 8792980), (56, 7222805), (70, 5778244), (92, 4396490), (115, 3517192), (140, 2889122), (161, 2512280), (181, 2234680), (184, 2198245), (230, 1758596), (280, 1444561), (322, 1256140), (347, 1165640), (362, 1117340), (460, 879298), (644, 628070), (694, 582820), (724, 558670), (805, 502456), (905, 446936), (920, 439649), (1267, 319240), (1288, 314035), (1388, 291410), (1448, 279335), (1610, 251228), (1735, 233128), (1810, 223468), (2429, 166520), (2534, 159620), (2776, 145705), (3220, 125614), (3470, 116564), (3620, 111734), (4163, 97160), (4858, 83260), (5068, 79810), (6335, 63848), (6440, 62807), (6940, 58282), (7240, 55867), (7981, 50680), (8326, 48580), (9716, 41630), (10136, 39905), (12145, 33304), (12670, 31924), (13880, 29141), (15962, 25340), (16652, 24290), (19432, 20815)]