505071582580

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1\times {\mathrm{647}}^1\times {\mathrm{829}}^1$

素因数の和:1921

約数の個数: 96

約数和(自身を含む): 1073442585600

約数和(自身を除く): 568371003020

約数列:

[1, 2, 4, 5, 10, 20, 197, 239, 394, 478, 647, 788, 829, 956, 985, 1195, 1294, 1658, 1970, 2390, 2588, 3235, 3316, 3940, 4145, 4780, 6470, 8290, 12940, 16580, 47083, 94166, 127459, 154633, 163313, 188332, 198131, 235415, 254918, 309266, 326626, 396262, 470830, 509836, 536363, 618532, 637295, 653252, 773165, 792524, 816565, 941660, 990655, 1072726, 1274590, 1546330, 1633130, 1981310, 2145452, 2549180, 2681815, 3092660, 3266260, 3962620, 5363630, 10727260, 30462701, 39031807, 60925402, 78063614, 105663511, 121850804, 128190757, 152313505, 156127228, 195159035, 211327022, 256381514, 304627010, 390318070, 422654044, 512763028, 528317555, 609254020, 640953785, 780636140, 1056635110, 1281907570, 2113270220, 2563815140, 25253579129, 50507158258, 101014316516, 126267895645, 252535791290, 505071582580]

約数ペア:

[(1, 505071582580), (2, 252535791290), (4, 126267895645), (5, 101014316516), (10, 50507158258), (20, 25253579129), (197, 2563815140), (239, 2113270220), (394, 1281907570), (478, 1056635110), (647, 780636140), (788, 640953785), (829, 609254020), (956, 528317555), (985, 512763028), (1195, 422654044), (1294, 390318070), (1658, 304627010), (1970, 256381514), (2390, 211327022), (2588, 195159035), (3235, 156127228), (3316, 152313505), (3940, 128190757), (4145, 121850804), (4780, 105663511), (6470, 78063614), (8290, 60925402), (12940, 39031807), (16580, 30462701), (47083, 10727260), (94166, 5363630), (127459, 3962620), (154633, 3266260), (163313, 3092660), (188332, 2681815), (198131, 2549180), (235415, 2145452), (254918, 1981310), (309266, 1633130), (326626, 1546330), (396262, 1274590), (470830, 1072726), (509836, 990655), (536363, 941660), (618532, 816565), (637295, 792524), (653252, 773165)]