21529810000

素因数分解:

$2^4\times 5^4\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:607

約数の個数: 200

約数和(自身を含む): 54232640000

約数和(自身を除く): 32702830000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 199, 200, 248, 250, 310, 349, 398, 400, 496, 500, 620, 625, 698, 775, 796, 995, 1000, 1240, 1250, 1396, 1550, 1592, 1745, 1990, 2000, 2480, 2500, 2792, 3100, 3184, 3490, 3875, 3980, 4975, 5000, 5584, 6169, 6200, 6980, 7750, 7960, 8725, 9950, 10000, 10819, 12338, 12400, 13960, 15500, 15920, 17450, 19375, 19900, 21638, 24676, 24875, 27920, 30845, 31000, 34900, 38750, 39800, 43276, 43625, 49352, 49750, 54095, 61690, 62000, 69451, 69800, 77500, 79600, 86552, 87250, 98704, 99500, 108190, 123380, 124375, 138902, 139600, 154225, 155000, 173104, 174500, 199000, 216380, 218125, 246760, 248750, 270475, 277804, 308450, 310000, 347255, 349000, 398000, 432760, 436250, 493520, 497500, 540950, 555608, 616900, 694510, 698000, 771125, 865520, 872500, 995000, 1081900, 1111216, 1233800, 1352375, 1389020, 1542250, 1736275, 1745000, 1990000, 2152981, 2163800, 2467600, 2704750, 2778040, 3084500, 3472550, 3490000, 3855625, 4305962, 4327600, 5409500, 5556080, 6169000, 6761875, 6945100, 7711250, 8611924, 8681375, 10764905, 10819000, 12338000, 13523750, 13890200, 15422500, 17223848, 17362750, 21529810, 21638000, 27047500, 27780400, 30845000, 34447696, 34725500, 43059620, 43406875, 53824525, 54095000, 61690000, 69451000, 86119240, 86813750, 107649050, 108190000, 138902000, 172238480, 173627500, 215298100, 269122625, 347255000, 430596200, 538245250, 694510000, 861192400, 1076490500, 1345613125, 2152981000, 2691226250, 4305962000, 5382452500, 10764905000, 21529810000]

約数ペア:

[(1, 21529810000), (2, 10764905000), (4, 5382452500), (5, 4305962000), (8, 2691226250), (10, 2152981000), (16, 1345613125), (20, 1076490500), (25, 861192400), (31, 694510000), (40, 538245250), (50, 430596200), (62, 347255000), (80, 269122625), (100, 215298100), (124, 173627500), (125, 172238480), (155, 138902000), (199, 108190000), (200, 107649050), (248, 86813750), (250, 86119240), (310, 69451000), (349, 61690000), (398, 54095000), (400, 53824525), (496, 43406875), (500, 43059620), (620, 34725500), (625, 34447696), (698, 30845000), (775, 27780400), (796, 27047500), (995, 21638000), (1000, 21529810), (1240, 17362750), (1250, 17223848), (1396, 15422500), (1550, 13890200), (1592, 13523750), (1745, 12338000), (1990, 10819000), (2000, 10764905), (2480, 8681375), (2500, 8611924), (2792, 7711250), (3100, 6945100), (3184, 6761875), (3490, 6169000), (3875, 5556080), (3980, 5409500), (4975, 4327600), (5000, 4305962), (5584, 3855625), (6169, 3490000), (6200, 3472550), (6980, 3084500), (7750, 2778040), (7960, 2704750), (8725, 2467600), (9950, 2163800), (10000, 2152981), (10819, 1990000), (12338, 1745000), (12400, 1736275), (13960, 1542250), (15500, 1389020), (15920, 1352375), (17450, 1233800), (19375, 1111216), (19900, 1081900), (21638, 995000), (24676, 872500), (24875, 865520), (27920, 771125), (30845, 698000), (31000, 694510), (34900, 616900), (38750, 555608), (39800, 540950), (43276, 497500), (43625, 493520), (49352, 436250), (49750, 432760), (54095, 398000), (61690, 349000), (62000, 347255), (69451, 310000), (69800, 308450), (77500, 277804), (79600, 270475), (86552, 248750), (87250, 246760), (98704, 218125), (99500, 216380), (108190, 199000), (123380, 174500), (124375, 173104), (138902, 155000), (139600, 154225)]