517156780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 1321602912

約数和(自身を除く): 804446132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 61, 70, 82, 98, 122, 140, 164, 196, 205, 211, 244, 245, 287, 305, 410, 422, 427, 490, 574, 610, 820, 844, 854, 980, 1055, 1148, 1220, 1435, 1477, 1708, 2009, 2110, 2135, 2501, 2870, 2954, 2989, 4018, 4220, 4270, 5002, 5740, 5908, 5978, 7385, 8036, 8540, 8651, 10004, 10045, 10339, 11956, 12505, 12871, 14770, 14945, 17302, 17507, 20090, 20678, 25010, 25742, 29540, 29890, 34604, 35014, 40180, 41356, 43255, 50020, 51484, 51695, 59780, 60557, 64355, 70028, 86510, 87535, 90097, 103390, 121114, 122549, 128710, 173020, 175070, 180194, 206780, 242228, 245098, 257420, 302785, 350140, 360388, 423899, 450485, 490196, 527711, 605570, 612745, 630679, 847798, 900970, 1055422, 1211140, 1225490, 1261358, 1695596, 1801940, 2110844, 2119495, 2450980, 2522716, 2638555, 3153395, 3693977, 4238990, 5277110, 6306790, 7387954, 8477980, 10554220, 12613580, 14775908, 18469885, 25857839, 36939770, 51715678, 73879540, 103431356, 129289195, 258578390, 517156780]

約数ペア:

[(1, 517156780), (2, 258578390), (4, 129289195), (5, 103431356), (7, 73879540), (10, 51715678), (14, 36939770), (20, 25857839), (28, 18469885), (35, 14775908), (41, 12613580), (49, 10554220), (61, 8477980), (70, 7387954), (82, 6306790), (98, 5277110), (122, 4238990), (140, 3693977), (164, 3153395), (196, 2638555), (205, 2522716), (211, 2450980), (244, 2119495), (245, 2110844), (287, 1801940), (305, 1695596), (410, 1261358), (422, 1225490), (427, 1211140), (490, 1055422), (574, 900970), (610, 847798), (820, 630679), (844, 612745), (854, 605570), (980, 527711), (1055, 490196), (1148, 450485), (1220, 423899), (1435, 360388), (1477, 350140), (1708, 302785), (2009, 257420), (2110, 245098), (2135, 242228), (2501, 206780), (2870, 180194), (2954, 175070), (2989, 173020), (4018, 128710), (4220, 122549), (4270, 121114), (5002, 103390), (5740, 90097), (5908, 87535), (5978, 86510), (7385, 70028), (8036, 64355), (8540, 60557), (8651, 59780), (10004, 51695), (10045, 51484), (10339, 50020), (11956, 43255), (12505, 41356), (12871, 40180), (14770, 35014), (14945, 34604), (17302, 29890), (17507, 29540), (20090, 25742), (20678, 25010)]