198171900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3863}}^1$

素因数の和:3905

約数の個数: 144

約数和(自身を含む): 670790400

約数和(自身を除く): 472618500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 90, 95, 100, 108, 114, 135, 150, 171, 180, 190, 225, 228, 270, 285, 300, 342, 380, 450, 475, 513, 540, 570, 675, 684, 855, 900, 950, 1026, 1140, 1350, 1425, 1710, 1900, 2052, 2565, 2700, 2850, 3420, 3863, 4275, 5130, 5700, 7726, 8550, 10260, 11589, 12825, 15452, 17100, 19315, 23178, 25650, 34767, 38630, 46356, 51300, 57945, 69534, 73397, 77260, 96575, 104301, 115890, 139068, 146794, 173835, 193150, 208602, 220191, 231780, 289725, 293588, 347670, 366985, 386300, 417204, 440382, 521505, 579450, 660573, 695340, 733970, 869175, 880764, 1043010, 1100955, 1158900, 1321146, 1467940, 1738350, 1834925, 1981719, 2086020, 2201910, 2607525, 2642292, 3302865, 3476700, 3669850, 3963438, 4403820, 5215050, 5504775, 6605730, 7339700, 7926876, 9908595, 10430100, 11009550, 13211460, 16514325, 19817190, 22019100, 33028650, 39634380, 49542975, 66057300, 99085950, 198171900]

約数ペア:

[(1, 198171900), (2, 99085950), (3, 66057300), (4, 49542975), (5, 39634380), (6, 33028650), (9, 22019100), (10, 19817190), (12, 16514325), (15, 13211460), (18, 11009550), (19, 10430100), (20, 9908595), (25, 7926876), (27, 7339700), (30, 6605730), (36, 5504775), (38, 5215050), (45, 4403820), (50, 3963438), (54, 3669850), (57, 3476700), (60, 3302865), (75, 2642292), (76, 2607525), (90, 2201910), (95, 2086020), (100, 1981719), (108, 1834925), (114, 1738350), (135, 1467940), (150, 1321146), (171, 1158900), (180, 1100955), (190, 1043010), (225, 880764), (228, 869175), (270, 733970), (285, 695340), (300, 660573), (342, 579450), (380, 521505), (450, 440382), (475, 417204), (513, 386300), (540, 366985), (570, 347670), (675, 293588), (684, 289725), (855, 231780), (900, 220191), (950, 208602), (1026, 193150), (1140, 173835), (1350, 146794), (1425, 139068), (1710, 115890), (1900, 104301), (2052, 96575), (2565, 77260), (2700, 73397), (2850, 69534), (3420, 57945), (3863, 51300), (4275, 46356), (5130, 38630), (5700, 34767), (7726, 25650), (8550, 23178), (10260, 19315), (11589, 17100), (12825, 15452)]