419128060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 987840000

約数和(自身を除く): 568711940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 149, 155, 260, 298, 310, 349, 403, 596, 620, 698, 745, 806, 1396, 1490, 1612, 1745, 1937, 2015, 2980, 3490, 3874, 4030, 4537, 4619, 6980, 7748, 8060, 9074, 9238, 9685, 10819, 18148, 18476, 19370, 21638, 22685, 23095, 38740, 43276, 45370, 46190, 52001, 54095, 60047, 90740, 92380, 104002, 108190, 120094, 140647, 208004, 216380, 240188, 260005, 281294, 300235, 520010, 562588, 600470, 676013, 703235, 1040020, 1200940, 1352026, 1406470, 1612031, 2704052, 2812940, 3224062, 3380065, 6448124, 6760130, 8060155, 13520260, 16120310, 20956403, 32240620, 41912806, 83825612, 104782015, 209564030, 419128060]

約数ペア:

[(1, 419128060), (2, 209564030), (4, 104782015), (5, 83825612), (10, 41912806), (13, 32240620), (20, 20956403), (26, 16120310), (31, 13520260), (52, 8060155), (62, 6760130), (65, 6448124), (124, 3380065), (130, 3224062), (149, 2812940), (155, 2704052), (260, 1612031), (298, 1406470), (310, 1352026), (349, 1200940), (403, 1040020), (596, 703235), (620, 676013), (698, 600470), (745, 562588), (806, 520010), (1396, 300235), (1490, 281294), (1612, 260005), (1745, 240188), (1937, 216380), (2015, 208004), (2980, 140647), (3490, 120094), (3874, 108190), (4030, 104002), (4537, 92380), (4619, 90740), (6980, 60047), (7748, 54095), (8060, 52001), (9074, 46190), (9238, 45370), (9685, 43276), (10819, 38740), (18148, 23095), (18476, 22685), (19370, 21638)]