201921117400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{159773}}^1$

素因数の和:159949

約数の個数: 96

約数和(自身を含む): 481431016800

約数和(自身を除く): 279509899400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 89, 100, 142, 178, 200, 284, 355, 356, 445, 568, 710, 712, 890, 1420, 1775, 1780, 2225, 2840, 3550, 3560, 4450, 6319, 7100, 8900, 12638, 14200, 17800, 25276, 31595, 50552, 63190, 126380, 157975, 159773, 252760, 315950, 319546, 631900, 639092, 798865, 1263800, 1278184, 1597730, 3195460, 3994325, 6390920, 7988650, 11343883, 14219797, 15977300, 22687766, 28439594, 31954600, 45375532, 56719415, 56879188, 71098985, 90751064, 113438830, 113758376, 142197970, 226877660, 283597075, 284395940, 355494925, 453755320, 567194150, 568791880, 710989850, 1009605587, 1134388300, 1421979700, 2019211174, 2268776600, 2843959400, 4038422348, 5048027935, 8076844696, 10096055870, 20192111740, 25240139675, 40384223480, 50480279350, 100960558700, 201921117400]

約数ペア:

[(1, 201921117400), (2, 100960558700), (4, 50480279350), (5, 40384223480), (8, 25240139675), (10, 20192111740), (20, 10096055870), (25, 8076844696), (40, 5048027935), (50, 4038422348), (71, 2843959400), (89, 2268776600), (100, 2019211174), (142, 1421979700), (178, 1134388300), (200, 1009605587), (284, 710989850), (355, 568791880), (356, 567194150), (445, 453755320), (568, 355494925), (710, 284395940), (712, 283597075), (890, 226877660), (1420, 142197970), (1775, 113758376), (1780, 113438830), (2225, 90751064), (2840, 71098985), (3550, 56879188), (3560, 56719415), (4450, 45375532), (6319, 31954600), (7100, 28439594), (8900, 22687766), (12638, 15977300), (14200, 14219797), (17800, 11343883), (25276, 7988650), (31595, 6390920), (50552, 3994325), (63190, 3195460), (126380, 1597730), (157975, 1278184), (159773, 1263800), (252760, 798865), (315950, 639092), (319546, 631900)]