197998500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 192

約数和(自身を含む): 668828160

約数和(自身を除く): 470829660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 109, 125, 140, 150, 173, 175, 210, 218, 250, 300, 327, 346, 350, 375, 420, 436, 500, 519, 525, 545, 654, 692, 700, 750, 763, 865, 875, 1038, 1050, 1090, 1211, 1308, 1500, 1526, 1635, 1730, 1750, 2076, 2100, 2180, 2289, 2422, 2595, 2625, 2725, 3052, 3270, 3460, 3500, 3633, 3815, 4325, 4578, 4844, 5190, 5250, 5450, 6055, 6540, 7266, 7630, 8175, 8650, 9156, 10380, 10500, 10900, 11445, 12110, 12975, 13625, 14532, 15260, 16350, 17300, 18165, 18857, 19075, 21625, 22890, 24220, 25950, 27250, 30275, 32700, 36330, 37714, 38150, 40875, 43250, 45780, 51900, 54500, 56571, 57225, 60550, 64875, 72660, 75428, 76300, 81750, 86500, 90825, 94285, 95375, 113142, 114450, 121100, 129750, 131999, 151375, 163500, 181650, 188570, 190750, 226284, 228900, 259500, 263998, 282855, 286125, 302750, 363300, 377140, 381500, 395997, 454125, 471425, 527996, 565710, 572250, 605500, 659995, 791994, 908250, 942850, 1131420, 1144500, 1319990, 1414275, 1583988, 1816500, 1885700, 1979985, 2357125, 2639980, 2828550, 3299975, 3959970, 4714250, 5657100, 6599950, 7071375, 7919940, 9428500, 9899925, 13199900, 14142750, 16499875, 19799850, 28285500, 32999750, 39599700, 49499625, 65999500, 98999250, 197998500]

約数ペア:

[(1, 197998500), (2, 98999250), (3, 65999500), (4, 49499625), (5, 39599700), (6, 32999750), (7, 28285500), (10, 19799850), (12, 16499875), (14, 14142750), (15, 13199900), (20, 9899925), (21, 9428500), (25, 7919940), (28, 7071375), (30, 6599950), (35, 5657100), (42, 4714250), (50, 3959970), (60, 3299975), (70, 2828550), (75, 2639980), (84, 2357125), (100, 1979985), (105, 1885700), (109, 1816500), (125, 1583988), (140, 1414275), (150, 1319990), (173, 1144500), (175, 1131420), (210, 942850), (218, 908250), (250, 791994), (300, 659995), (327, 605500), (346, 572250), (350, 565710), (375, 527996), (420, 471425), (436, 454125), (500, 395997), (519, 381500), (525, 377140), (545, 363300), (654, 302750), (692, 286125), (700, 282855), (750, 263998), (763, 259500), (865, 228900), (875, 226284), (1038, 190750), (1050, 188570), (1090, 181650), (1211, 163500), (1308, 151375), (1500, 131999), (1526, 129750), (1635, 121100), (1730, 114450), (1750, 113142), (2076, 95375), (2100, 94285), (2180, 90825), (2289, 86500), (2422, 81750), (2595, 76300), (2625, 75428), (2725, 72660), (3052, 64875), (3270, 60550), (3460, 57225), (3500, 56571), (3633, 54500), (3815, 51900), (4325, 45780), (4578, 43250), (4844, 40875), (5190, 38150), (5250, 37714), (5450, 36330), (6055, 32700), (6540, 30275), (7266, 27250), (7630, 25950), (8175, 24220), (8650, 22890), (9156, 21625), (10380, 19075), (10500, 18857), (10900, 18165), (11445, 17300), (12110, 16350), (12975, 15260), (13625, 14532)]