400830000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:493

約数の個数: 200

約数和(自身を含む): 1338771456

約数和(自身を除く): 937941456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 40, 48, 50, 60, 62, 75, 80, 93, 100, 120, 124, 125, 150, 155, 186, 200, 240, 248, 250, 300, 310, 372, 375, 400, 431, 465, 496, 500, 600, 620, 625, 744, 750, 775, 862, 930, 1000, 1200, 1240, 1250, 1293, 1488, 1500, 1550, 1724, 1860, 1875, 2000, 2155, 2325, 2480, 2500, 2586, 3000, 3100, 3448, 3720, 3750, 3875, 4310, 4650, 5000, 5172, 6000, 6200, 6465, 6896, 7440, 7500, 7750, 8620, 9300, 10000, 10344, 10775, 11625, 12400, 12930, 13361, 15000, 15500, 17240, 18600, 19375, 20688, 21550, 23250, 25860, 26722, 30000, 31000, 32325, 34480, 37200, 38750, 40083, 43100, 46500, 51720, 53444, 53875, 58125, 62000, 64650, 66805, 77500, 80166, 86200, 93000, 103440, 106888, 107750, 116250, 129300, 133610, 155000, 160332, 161625, 172400, 186000, 200415, 213776, 215500, 232500, 258600, 267220, 269375, 310000, 320664, 323250, 334025, 400830, 431000, 465000, 517200, 534440, 538750, 641328, 646500, 668050, 801660, 808125, 862000, 930000, 1002075, 1068880, 1077500, 1293000, 1336100, 1603320, 1616250, 1670125, 2004150, 2155000, 2586000, 2672200, 3206640, 3232500, 3340250, 4008300, 4310000, 5010375, 5344400, 6465000, 6680500, 8016600, 8350625, 10020750, 12930000, 13361000, 16033200, 16701250, 20041500, 25051875, 26722000, 33402500, 40083000, 50103750, 66805000, 80166000, 100207500, 133610000, 200415000, 400830000]

約数ペア:

[(1, 400830000), (2, 200415000), (3, 133610000), (4, 100207500), (5, 80166000), (6, 66805000), (8, 50103750), (10, 40083000), (12, 33402500), (15, 26722000), (16, 25051875), (20, 20041500), (24, 16701250), (25, 16033200), (30, 13361000), (31, 12930000), (40, 10020750), (48, 8350625), (50, 8016600), (60, 6680500), (62, 6465000), (75, 5344400), (80, 5010375), (93, 4310000), (100, 4008300), (120, 3340250), (124, 3232500), (125, 3206640), (150, 2672200), (155, 2586000), (186, 2155000), (200, 2004150), (240, 1670125), (248, 1616250), (250, 1603320), (300, 1336100), (310, 1293000), (372, 1077500), (375, 1068880), (400, 1002075), (431, 930000), (465, 862000), (496, 808125), (500, 801660), (600, 668050), (620, 646500), (625, 641328), (744, 538750), (750, 534440), (775, 517200), (862, 465000), (930, 431000), (1000, 400830), (1200, 334025), (1240, 323250), (1250, 320664), (1293, 310000), (1488, 269375), (1500, 267220), (1550, 258600), (1724, 232500), (1860, 215500), (1875, 213776), (2000, 200415), (2155, 186000), (2325, 172400), (2480, 161625), (2500, 160332), (2586, 155000), (3000, 133610), (3100, 129300), (3448, 116250), (3720, 107750), (3750, 106888), (3875, 103440), (4310, 93000), (4650, 86200), (5000, 80166), (5172, 77500), (6000, 66805), (6200, 64650), (6465, 62000), (6896, 58125), (7440, 53875), (7500, 53444), (7750, 51720), (8620, 46500), (9300, 43100), (10000, 40083), (10344, 38750), (10775, 37200), (11625, 34480), (12400, 32325), (12930, 31000), (13361, 30000), (15000, 26722), (15500, 25860), (17240, 23250), (18600, 21550), (19375, 20688)]