838918980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1871}}^1$

素因数の和:1986

約数の個数: 144

約数和(自身を含む): 2649314304

約数和(自身を除く): 1810395324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 53, 60, 90, 94, 106, 141, 159, 180, 188, 212, 235, 265, 282, 318, 423, 470, 477, 530, 564, 636, 705, 795, 846, 940, 954, 1060, 1410, 1590, 1692, 1871, 1908, 2115, 2385, 2491, 2820, 3180, 3742, 4230, 4770, 4982, 5613, 7473, 7484, 8460, 9355, 9540, 9964, 11226, 12455, 14946, 16839, 18710, 22419, 22452, 24910, 28065, 29892, 33678, 37365, 37420, 44838, 49820, 56130, 67356, 74730, 84195, 87937, 89676, 99163, 112095, 112260, 149460, 168390, 175874, 198326, 224190, 263811, 297489, 336780, 351748, 396652, 439685, 448380, 495815, 527622, 594978, 791433, 879370, 892467, 991630, 1055244, 1189956, 1319055, 1487445, 1582866, 1758740, 1784934, 1983260, 2638110, 2974890, 3165732, 3569868, 3957165, 4462335, 4660661, 5276220, 5949780, 7914330, 8924670, 9321322, 13981983, 15828660, 17849340, 18642644, 23303305, 27963966, 41945949, 46606610, 55927932, 69909915, 83891898, 93213220, 139819830, 167783796, 209729745, 279639660, 419459490, 838918980]

約数ペア:

[(1, 838918980), (2, 419459490), (3, 279639660), (4, 209729745), (5, 167783796), (6, 139819830), (9, 93213220), (10, 83891898), (12, 69909915), (15, 55927932), (18, 46606610), (20, 41945949), (30, 27963966), (36, 23303305), (45, 18642644), (47, 17849340), (53, 15828660), (60, 13981983), (90, 9321322), (94, 8924670), (106, 7914330), (141, 5949780), (159, 5276220), (180, 4660661), (188, 4462335), (212, 3957165), (235, 3569868), (265, 3165732), (282, 2974890), (318, 2638110), (423, 1983260), (470, 1784934), (477, 1758740), (530, 1582866), (564, 1487445), (636, 1319055), (705, 1189956), (795, 1055244), (846, 991630), (940, 892467), (954, 879370), (1060, 791433), (1410, 594978), (1590, 527622), (1692, 495815), (1871, 448380), (1908, 439685), (2115, 396652), (2385, 351748), (2491, 336780), (2820, 297489), (3180, 263811), (3742, 224190), (4230, 198326), (4770, 175874), (4982, 168390), (5613, 149460), (7473, 112260), (7484, 112095), (8460, 99163), (9355, 89676), (9540, 87937), (9964, 84195), (11226, 74730), (12455, 67356), (14946, 56130), (16839, 49820), (18710, 44838), (22419, 37420), (22452, 37365), (24910, 33678), (28065, 29892)]