388999500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 192

約数和(自身を含む): 1197740544

約数和(自身を除く): 808741044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 43, 50, 60, 74, 75, 86, 100, 111, 125, 129, 148, 150, 163, 172, 185, 215, 222, 250, 258, 300, 326, 370, 375, 430, 444, 489, 500, 516, 555, 645, 652, 740, 750, 815, 860, 925, 978, 1075, 1110, 1290, 1500, 1591, 1630, 1850, 1956, 2150, 2220, 2445, 2580, 2775, 3182, 3225, 3260, 3700, 4075, 4300, 4625, 4773, 4890, 5375, 5550, 6031, 6364, 6450, 7009, 7955, 8150, 9250, 9546, 9780, 10750, 11100, 12062, 12225, 12900, 13875, 14018, 15910, 16125, 16300, 18093, 18500, 19092, 20375, 21027, 21500, 23865, 24124, 24450, 27750, 28036, 30155, 31820, 32250, 35045, 36186, 39775, 40750, 42054, 47730, 48900, 55500, 60310, 61125, 64500, 70090, 72372, 79550, 81500, 84108, 90465, 95460, 105135, 119325, 120620, 122250, 140180, 150775, 159100, 175225, 180930, 198875, 210270, 238650, 244500, 259333, 301550, 350450, 361860, 397750, 420540, 452325, 477300, 518666, 525675, 596625, 603100, 700900, 753875, 777999, 795500, 876125, 904650, 1037332, 1051350, 1193250, 1296665, 1507750, 1555998, 1752250, 1809300, 2102700, 2261625, 2386500, 2593330, 2628375, 3015500, 3111996, 3504500, 3889995, 4523250, 5186660, 5256750, 6483325, 7779990, 9046500, 10513500, 12966650, 15559980, 19449975, 25933300, 32416625, 38899950, 64833250, 77799900, 97249875, 129666500, 194499750, 388999500]

約数ペア:

[(1, 388999500), (2, 194499750), (3, 129666500), (4, 97249875), (5, 77799900), (6, 64833250), (10, 38899950), (12, 32416625), (15, 25933300), (20, 19449975), (25, 15559980), (30, 12966650), (37, 10513500), (43, 9046500), (50, 7779990), (60, 6483325), (74, 5256750), (75, 5186660), (86, 4523250), (100, 3889995), (111, 3504500), (125, 3111996), (129, 3015500), (148, 2628375), (150, 2593330), (163, 2386500), (172, 2261625), (185, 2102700), (215, 1809300), (222, 1752250), (250, 1555998), (258, 1507750), (300, 1296665), (326, 1193250), (370, 1051350), (375, 1037332), (430, 904650), (444, 876125), (489, 795500), (500, 777999), (516, 753875), (555, 700900), (645, 603100), (652, 596625), (740, 525675), (750, 518666), (815, 477300), (860, 452325), (925, 420540), (978, 397750), (1075, 361860), (1110, 350450), (1290, 301550), (1500, 259333), (1591, 244500), (1630, 238650), (1850, 210270), (1956, 198875), (2150, 180930), (2220, 175225), (2445, 159100), (2580, 150775), (2775, 140180), (3182, 122250), (3225, 120620), (3260, 119325), (3700, 105135), (4075, 95460), (4300, 90465), (4625, 84108), (4773, 81500), (4890, 79550), (5375, 72372), (5550, 70090), (6031, 64500), (6364, 61125), (6450, 60310), (7009, 55500), (7955, 48900), (8150, 47730), (9250, 42054), (9546, 40750), (9780, 39775), (10750, 36186), (11100, 35045), (12062, 32250), (12225, 31820), (12900, 30155), (13875, 28036), (14018, 27750), (15910, 24450), (16125, 24124), (16300, 23865), (18093, 21500), (18500, 21027), (19092, 20375)]