19639275320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1549}}^1\times {\mathrm{45281}}^1$

素因数の和:46848

約数の個数: 64

約数和(自身を含む): 50534712000

約数和(自身を除く): 30895436680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1549, 3098, 6196, 7745, 10843, 12392, 15490, 21686, 30980, 43372, 45281, 54215, 61960, 86744, 90562, 108430, 181124, 216860, 226405, 316967, 362248, 433720, 452810, 633934, 905620, 1267868, 1584835, 1811240, 2535736, 3169670, 6339340, 12678680, 70140269, 140280538, 280561076, 350701345, 490981883, 561122152, 701402690, 981963766, 1402805380, 1963927532, 2454909415, 2805610760, 3927855064, 4909818830, 9819637660, 19639275320]

約数ペア:

[(1, 19639275320), (2, 9819637660), (4, 4909818830), (5, 3927855064), (7, 2805610760), (8, 2454909415), (10, 1963927532), (14, 1402805380), (20, 981963766), (28, 701402690), (35, 561122152), (40, 490981883), (56, 350701345), (70, 280561076), (140, 140280538), (280, 70140269), (1549, 12678680), (3098, 6339340), (6196, 3169670), (7745, 2535736), (10843, 1811240), (12392, 1584835), (15490, 1267868), (21686, 905620), (30980, 633934), (43372, 452810), (45281, 433720), (54215, 362248), (61960, 316967), (86744, 226405), (90562, 216860), (108430, 181124)]