398604420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4019}}^1$

素因数の和:4082

約数の個数: 144

約数和(自身を含む): 1316952000

約数和(自身を除く): 918347580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 342, 348, 380, 435, 522, 551, 570, 580, 684, 855, 870, 1044, 1102, 1140, 1305, 1653, 1710, 1740, 2204, 2610, 2755, 3306, 3420, 4019, 4959, 5220, 5510, 6612, 8038, 8265, 9918, 11020, 12057, 16076, 16530, 19836, 20095, 24114, 24795, 33060, 36171, 40190, 48228, 49590, 60285, 72342, 76361, 80380, 99180, 116551, 120570, 144684, 152722, 180855, 229083, 233102, 241140, 305444, 349653, 361710, 381805, 458166, 466204, 582755, 687249, 699306, 723420, 763610, 916332, 1048959, 1145415, 1165510, 1374498, 1398612, 1527220, 1748265, 2097918, 2214469, 2290830, 2331020, 2748996, 3436245, 3496530, 4195836, 4428938, 4581660, 5244795, 6643407, 6872490, 6993060, 8857876, 10489590, 11072345, 13286814, 13744980, 19930221, 20979180, 22144690, 26573628, 33217035, 39860442, 44289380, 66434070, 79720884, 99651105, 132868140, 199302210, 398604420]

約数ペア:

[(1, 398604420), (2, 199302210), (3, 132868140), (4, 99651105), (5, 79720884), (6, 66434070), (9, 44289380), (10, 39860442), (12, 33217035), (15, 26573628), (18, 22144690), (19, 20979180), (20, 19930221), (29, 13744980), (30, 13286814), (36, 11072345), (38, 10489590), (45, 8857876), (57, 6993060), (58, 6872490), (60, 6643407), (76, 5244795), (87, 4581660), (90, 4428938), (95, 4195836), (114, 3496530), (116, 3436245), (145, 2748996), (171, 2331020), (174, 2290830), (180, 2214469), (190, 2097918), (228, 1748265), (261, 1527220), (285, 1398612), (290, 1374498), (342, 1165510), (348, 1145415), (380, 1048959), (435, 916332), (522, 763610), (551, 723420), (570, 699306), (580, 687249), (684, 582755), (855, 466204), (870, 458166), (1044, 381805), (1102, 361710), (1140, 349653), (1305, 305444), (1653, 241140), (1710, 233102), (1740, 229083), (2204, 180855), (2610, 152722), (2755, 144684), (3306, 120570), (3420, 116551), (4019, 99180), (4959, 80380), (5220, 76361), (5510, 72342), (6612, 60285), (8038, 49590), (8265, 48228), (9918, 40190), (11020, 36171), (12057, 33060), (16076, 24795), (16530, 24114), (19836, 20095)]