998437825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^2\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 1580702400

約数和(自身を除く): 582264575

約数列:

[1, 5, 7, 11, 25, 35, 55, 59, 77, 149, 175, 275, 295, 385, 413, 649, 745, 1043, 1475, 1639, 1925, 2065, 3245, 3481, 3725, 4543, 5215, 8195, 8791, 10325, 11473, 16225, 17405, 22715, 24367, 26075, 38291, 40975, 43955, 57365, 61537, 87025, 96701, 113575, 121835, 191455, 219775, 268037, 286825, 307685, 483505, 518669, 609175, 676907, 957275, 1340185, 1538425, 2417525, 2593345, 3384535, 3630683, 5705359, 6700925, 12966725, 16922675, 18153415, 28526795, 39937513, 90767075, 142633975, 199687565, 998437825]

約数ペア:

[(1, 998437825), (5, 199687565), (7, 142633975), (11, 90767075), (25, 39937513), (35, 28526795), (55, 18153415), (59, 16922675), (77, 12966725), (149, 6700925), (175, 5705359), (275, 3630683), (295, 3384535), (385, 2593345), (413, 2417525), (649, 1538425), (745, 1340185), (1043, 957275), (1475, 676907), (1639, 609175), (1925, 518669), (2065, 483505), (3245, 307685), (3481, 286825), (3725, 268037), (4543, 219775), (5215, 191455), (8195, 121835), (8791, 113575), (10325, 96701), (11473, 87025), (16225, 61537), (17405, 57365), (22715, 43955), (24367, 40975), (26075, 38291)]