178856860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 478608480

約数和(自身を除く): 299751620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 101, 130, 139, 140, 182, 196, 202, 245, 260, 278, 364, 404, 455, 490, 505, 556, 637, 695, 707, 910, 973, 980, 1010, 1274, 1313, 1390, 1414, 1807, 1820, 1946, 2020, 2548, 2626, 2780, 2828, 3185, 3535, 3614, 3892, 4865, 4949, 5252, 6370, 6565, 6811, 7070, 7228, 9035, 9191, 9730, 9898, 12649, 12740, 13130, 13622, 14039, 14140, 18070, 18382, 19460, 19796, 24745, 25298, 26260, 27244, 28078, 34055, 36140, 36764, 45955, 49490, 50596, 56156, 63245, 64337, 68110, 70195, 88543, 91910, 98273, 98980, 126490, 128674, 136220, 140390, 177086, 182507, 183820, 196546, 252980, 257348, 280780, 321685, 354172, 365014, 393092, 442715, 491365, 643370, 687911, 730028, 885430, 912535, 982730, 1277549, 1286740, 1375822, 1770860, 1825070, 1965460, 2555098, 2751644, 3439555, 3650140, 5110196, 6387745, 6879110, 8942843, 12775490, 13758220, 17885686, 25550980, 35771372, 44714215, 89428430, 178856860]

約数ペア:

[(1, 178856860), (2, 89428430), (4, 44714215), (5, 35771372), (7, 25550980), (10, 17885686), (13, 13758220), (14, 12775490), (20, 8942843), (26, 6879110), (28, 6387745), (35, 5110196), (49, 3650140), (52, 3439555), (65, 2751644), (70, 2555098), (91, 1965460), (98, 1825070), (101, 1770860), (130, 1375822), (139, 1286740), (140, 1277549), (182, 982730), (196, 912535), (202, 885430), (245, 730028), (260, 687911), (278, 643370), (364, 491365), (404, 442715), (455, 393092), (490, 365014), (505, 354172), (556, 321685), (637, 280780), (695, 257348), (707, 252980), (910, 196546), (973, 183820), (980, 182507), (1010, 177086), (1274, 140390), (1313, 136220), (1390, 128674), (1414, 126490), (1807, 98980), (1820, 98273), (1946, 91910), (2020, 88543), (2548, 70195), (2626, 68110), (2780, 64337), (2828, 63245), (3185, 56156), (3535, 50596), (3614, 49490), (3892, 45955), (4865, 36764), (4949, 36140), (5252, 34055), (6370, 28078), (6565, 27244), (6811, 26260), (7070, 25298), (7228, 24745), (9035, 19796), (9191, 19460), (9730, 18382), (9898, 18070), (12649, 14140), (12740, 14039), (13130, 13622)]