249227600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:349

約数の個数: 120

約数和(自身を含む): 627340800

約数和(自身を除く): 378113200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 101, 124, 155, 199, 200, 202, 248, 310, 398, 400, 404, 496, 505, 620, 775, 796, 808, 995, 1010, 1240, 1550, 1592, 1616, 1990, 2020, 2480, 2525, 3100, 3131, 3184, 3980, 4040, 4975, 5050, 6169, 6200, 6262, 7960, 8080, 9950, 10100, 12338, 12400, 12524, 15655, 15920, 19900, 20099, 20200, 24676, 25048, 30845, 31310, 39800, 40198, 40400, 49352, 50096, 61690, 62620, 78275, 79600, 80396, 98704, 100495, 123380, 125240, 154225, 156550, 160792, 200990, 246760, 250480, 308450, 313100, 321584, 401980, 493520, 502475, 616900, 623069, 626200, 803960, 1004950, 1233800, 1246138, 1252400, 1607920, 2009900, 2467600, 2492276, 3115345, 4019800, 4984552, 6230690, 8039600, 9969104, 12461380, 15576725, 24922760, 31153450, 49845520, 62306900, 124613800, 249227600]

約数ペア:

[(1, 249227600), (2, 124613800), (4, 62306900), (5, 49845520), (8, 31153450), (10, 24922760), (16, 15576725), (20, 12461380), (25, 9969104), (31, 8039600), (40, 6230690), (50, 4984552), (62, 4019800), (80, 3115345), (100, 2492276), (101, 2467600), (124, 2009900), (155, 1607920), (199, 1252400), (200, 1246138), (202, 1233800), (248, 1004950), (310, 803960), (398, 626200), (400, 623069), (404, 616900), (496, 502475), (505, 493520), (620, 401980), (775, 321584), (796, 313100), (808, 308450), (995, 250480), (1010, 246760), (1240, 200990), (1550, 160792), (1592, 156550), (1616, 154225), (1990, 125240), (2020, 123380), (2480, 100495), (2525, 98704), (3100, 80396), (3131, 79600), (3184, 78275), (3980, 62620), (4040, 61690), (4975, 50096), (5050, 49352), (6169, 40400), (6200, 40198), (6262, 39800), (7960, 31310), (8080, 30845), (9950, 25048), (10100, 24676), (12338, 20200), (12400, 20099), (12524, 19900), (15655, 15920)]