209421990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40823}}^1$

素因数の和:40858

約数の個数: 64

約数和(自身を含む): 587865600

約数和(自身を除く): 378443610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 5130, 40823, 81646, 122469, 204115, 244938, 367407, 408230, 612345, 734814, 775637, 1102221, 1224690, 1551274, 1837035, 2204442, 2326911, 3674070, 3878185, 4653822, 5511105, 6980733, 7756370, 11022210, 11634555, 13961466, 20942199, 23269110, 34903665, 41884398, 69807330, 104710995, 209421990]

約数ペア:

[(1, 209421990), (2, 104710995), (3, 69807330), (5, 41884398), (6, 34903665), (9, 23269110), (10, 20942199), (15, 13961466), (18, 11634555), (19, 11022210), (27, 7756370), (30, 6980733), (38, 5511105), (45, 4653822), (54, 3878185), (57, 3674070), (90, 2326911), (95, 2204442), (114, 1837035), (135, 1551274), (171, 1224690), (190, 1102221), (270, 775637), (285, 734814), (342, 612345), (513, 408230), (570, 367407), (855, 244938), (1026, 204115), (1710, 122469), (2565, 81646), (5130, 40823)]