988408680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{3391}}^1$

素因数の和:3759

約数の個数: 128

約数和(自身を含む): 3399598080

約数和(自身を除く): 2411189400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 347, 420, 694, 840, 1041, 1388, 1735, 2082, 2429, 2776, 3391, 3470, 4164, 4858, 5205, 6782, 6940, 7287, 8328, 9716, 10173, 10410, 12145, 13564, 13880, 14574, 16955, 19432, 20346, 20820, 23737, 24290, 27128, 29148, 33910, 36435, 40692, 41640, 47474, 48580, 50865, 58296, 67820, 71211, 72870, 81384, 94948, 97160, 101730, 118685, 135640, 142422, 145740, 189896, 203460, 237370, 284844, 291480, 356055, 406920, 474740, 569688, 712110, 949480, 1176677, 1424220, 2353354, 2848440, 3530031, 4706708, 5883385, 7060062, 8236739, 9413416, 11766770, 14120124, 16473478, 17650155, 23533540, 24710217, 28240248, 32946956, 35300310, 41183695, 47067080, 49420434, 65893912, 70600620, 82367390, 98840868, 123551085, 141201240, 164734780, 197681736, 247102170, 329469560, 494204340, 988408680]

約数ペア:

[(1, 988408680), (2, 494204340), (3, 329469560), (4, 247102170), (5, 197681736), (6, 164734780), (7, 141201240), (8, 123551085), (10, 98840868), (12, 82367390), (14, 70600620), (15, 65893912), (20, 49420434), (21, 47067080), (24, 41183695), (28, 35300310), (30, 32946956), (35, 28240248), (40, 24710217), (42, 23533540), (56, 17650155), (60, 16473478), (70, 14120124), (84, 11766770), (105, 9413416), (120, 8236739), (140, 7060062), (168, 5883385), (210, 4706708), (280, 3530031), (347, 2848440), (420, 2353354), (694, 1424220), (840, 1176677), (1041, 949480), (1388, 712110), (1735, 569688), (2082, 474740), (2429, 406920), (2776, 356055), (3391, 291480), (3470, 284844), (4164, 237370), (4858, 203460), (5205, 189896), (6782, 145740), (6940, 142422), (7287, 135640), (8328, 118685), (9716, 101730), (10173, 97160), (10410, 94948), (12145, 81384), (13564, 72870), (13880, 71211), (14574, 67820), (16955, 58296), (19432, 50865), (20346, 48580), (20820, 47474), (23737, 41640), (24290, 40692), (27128, 36435), (29148, 33910)]