402290000

素因数分解:

$2^4\times 5^4\times 7^2\times {\mathrm{821}}^1$

素因数の和:863

約数の個数: 150

約数和(自身を含む): 1134382194

約数和(自身を除く): 732092194

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 625, 700, 784, 821, 875, 980, 1000, 1225, 1250, 1400, 1642, 1750, 1960, 2000, 2450, 2500, 2800, 3284, 3500, 3920, 4105, 4375, 4900, 5000, 5747, 6125, 6568, 7000, 8210, 8750, 9800, 10000, 11494, 12250, 13136, 14000, 16420, 17500, 19600, 20525, 22988, 24500, 28735, 30625, 32840, 35000, 40229, 41050, 45976, 49000, 57470, 61250, 65680, 70000, 80458, 82100, 91952, 98000, 102625, 114940, 122500, 143675, 160916, 164200, 201145, 205250, 229880, 245000, 287350, 321832, 328400, 402290, 410500, 459760, 490000, 513125, 574700, 643664, 718375, 804580, 821000, 1005725, 1026250, 1149400, 1436750, 1609160, 1642000, 2011450, 2052500, 2298800, 2873500, 3218320, 3591875, 4022900, 4105000, 5028625, 5747000, 7183750, 8045800, 8210000, 10057250, 11494000, 14367500, 16091600, 20114500, 25143125, 28735000, 40229000, 50286250, 57470000, 80458000, 100572500, 201145000, 402290000]

約数ペア:

[(1, 402290000), (2, 201145000), (4, 100572500), (5, 80458000), (7, 57470000), (8, 50286250), (10, 40229000), (14, 28735000), (16, 25143125), (20, 20114500), (25, 16091600), (28, 14367500), (35, 11494000), (40, 10057250), (49, 8210000), (50, 8045800), (56, 7183750), (70, 5747000), (80, 5028625), (98, 4105000), (100, 4022900), (112, 3591875), (125, 3218320), (140, 2873500), (175, 2298800), (196, 2052500), (200, 2011450), (245, 1642000), (250, 1609160), (280, 1436750), (350, 1149400), (392, 1026250), (400, 1005725), (490, 821000), (500, 804580), (560, 718375), (625, 643664), (700, 574700), (784, 513125), (821, 490000), (875, 459760), (980, 410500), (1000, 402290), (1225, 328400), (1250, 321832), (1400, 287350), (1642, 245000), (1750, 229880), (1960, 205250), (2000, 201145), (2450, 164200), (2500, 160916), (2800, 143675), (3284, 122500), (3500, 114940), (3920, 102625), (4105, 98000), (4375, 91952), (4900, 82100), (5000, 80458), (5747, 70000), (6125, 65680), (6568, 61250), (7000, 57470), (8210, 49000), (8750, 45976), (9800, 41050), (10000, 40229), (11494, 35000), (12250, 32840), (13136, 30625), (14000, 28735), (16420, 24500), (17500, 22988), (19600, 20525)]