211981500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 216

約数和(自身を含む): 714740208

約数和(自身を除く): 502758708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 75, 85, 90, 100, 102, 125, 150, 153, 163, 170, 180, 204, 225, 250, 255, 289, 300, 306, 326, 340, 375, 425, 450, 489, 500, 510, 578, 612, 652, 750, 765, 815, 850, 867, 900, 978, 1020, 1125, 1156, 1275, 1445, 1467, 1500, 1530, 1630, 1700, 1734, 1956, 2125, 2250, 2445, 2550, 2601, 2771, 2890, 2934, 3060, 3260, 3468, 3825, 4075, 4250, 4335, 4500, 4890, 5100, 5202, 5542, 5780, 5868, 6375, 7225, 7335, 7650, 8150, 8313, 8500, 8670, 9780, 10404, 11084, 12225, 12750, 13005, 13855, 14450, 14670, 15300, 16300, 16626, 17340, 19125, 20375, 21675, 24450, 24939, 25500, 26010, 27710, 28900, 29340, 33252, 36125, 36675, 38250, 40750, 41565, 43350, 47107, 48900, 49878, 52020, 55420, 61125, 65025, 69275, 72250, 73350, 76500, 81500, 83130, 86700, 94214, 99756, 108375, 122250, 124695, 130050, 138550, 141321, 144500, 146700, 166260, 183375, 188428, 207825, 216750, 235535, 244500, 249390, 260100, 277100, 282642, 325125, 346375, 366750, 415650, 423963, 433500, 471070, 498780, 565284, 623475, 650250, 692750, 706605, 733500, 831300, 847926, 942140, 1039125, 1177675, 1246950, 1300500, 1385500, 1413210, 1695852, 2078250, 2119815, 2355350, 2493900, 2826420, 3117375, 3533025, 4156500, 4239630, 4710700, 5888375, 6234750, 7066050, 8479260, 10599075, 11776750, 12469500, 14132100, 17665125, 21198150, 23553500, 35330250, 42396300, 52995375, 70660500, 105990750, 211981500]

約数ペア:

[(1, 211981500), (2, 105990750), (3, 70660500), (4, 52995375), (5, 42396300), (6, 35330250), (9, 23553500), (10, 21198150), (12, 17665125), (15, 14132100), (17, 12469500), (18, 11776750), (20, 10599075), (25, 8479260), (30, 7066050), (34, 6234750), (36, 5888375), (45, 4710700), (50, 4239630), (51, 4156500), (60, 3533025), (68, 3117375), (75, 2826420), (85, 2493900), (90, 2355350), (100, 2119815), (102, 2078250), (125, 1695852), (150, 1413210), (153, 1385500), (163, 1300500), (170, 1246950), (180, 1177675), (204, 1039125), (225, 942140), (250, 847926), (255, 831300), (289, 733500), (300, 706605), (306, 692750), (326, 650250), (340, 623475), (375, 565284), (425, 498780), (450, 471070), (489, 433500), (500, 423963), (510, 415650), (578, 366750), (612, 346375), (652, 325125), (750, 282642), (765, 277100), (815, 260100), (850, 249390), (867, 244500), (900, 235535), (978, 216750), (1020, 207825), (1125, 188428), (1156, 183375), (1275, 166260), (1445, 146700), (1467, 144500), (1500, 141321), (1530, 138550), (1630, 130050), (1700, 124695), (1734, 122250), (1956, 108375), (2125, 99756), (2250, 94214), (2445, 86700), (2550, 83130), (2601, 81500), (2771, 76500), (2890, 73350), (2934, 72250), (3060, 69275), (3260, 65025), (3468, 61125), (3825, 55420), (4075, 52020), (4250, 49878), (4335, 48900), (4500, 47107), (4890, 43350), (5100, 41565), (5202, 40750), (5542, 38250), (5780, 36675), (5868, 36125), (6375, 33252), (7225, 29340), (7335, 28900), (7650, 27710), (8150, 26010), (8313, 25500), (8500, 24939), (8670, 24450), (9780, 21675), (10404, 20375), (11084, 19125), (12225, 17340), (12750, 16626), (13005, 16300), (13855, 15300), (14450, 14670)]