1489554400

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:178

約数の個数: 216

約数和(自身を含む): 3992791320

約数和(自身を除く): 2503236920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 43, 50, 53, 76, 80, 86, 95, 100, 106, 152, 160, 172, 190, 200, 212, 215, 265, 304, 344, 380, 400, 424, 430, 475, 530, 608, 688, 760, 800, 817, 848, 860, 950, 1007, 1060, 1075, 1325, 1376, 1520, 1634, 1696, 1720, 1849, 1900, 2014, 2120, 2150, 2279, 2650, 3040, 3268, 3440, 3698, 3800, 4028, 4085, 4240, 4300, 4558, 5035, 5300, 6536, 6880, 7396, 7600, 8056, 8170, 8480, 8600, 9116, 9245, 10070, 10600, 11395, 13072, 14792, 15200, 16112, 16340, 17200, 18232, 18490, 20140, 20425, 21200, 22790, 25175, 26144, 29584, 32224, 32680, 34400, 35131, 36464, 36980, 40280, 40850, 42400, 43301, 45580, 46225, 50350, 56975, 59168, 65360, 70262, 72928, 73960, 80560, 81700, 86602, 91160, 92450, 97997, 100700, 113950, 130720, 140524, 147920, 161120, 163400, 173204, 175655, 182320, 184900, 195994, 201400, 216505, 227900, 281048, 295840, 326800, 346408, 351310, 364640, 369800, 391988, 402800, 433010, 455800, 489985, 562096, 653600, 692816, 702620, 739600, 783976, 805600, 866020, 878275, 911600, 979970, 1082525, 1124192, 1385632, 1405240, 1479200, 1567952, 1732040, 1756550, 1823200, 1861943, 1959940, 2165050, 2449925, 2810480, 3135904, 3464080, 3513100, 3723886, 3919880, 4330100, 4899850, 5620960, 6928160, 7026200, 7447772, 7839760, 8660200, 9309715, 9799700, 14052400, 14895544, 15679520, 17320400, 18619430, 19599400, 28104800, 29791088, 34640800, 37238860, 39198800, 46548575, 59582176, 74477720, 78397600, 93097150, 148955440, 186194300, 297910880, 372388600, 744777200, 1489554400]

約数ペア:

[(1, 1489554400), (2, 744777200), (4, 372388600), (5, 297910880), (8, 186194300), (10, 148955440), (16, 93097150), (19, 78397600), (20, 74477720), (25, 59582176), (32, 46548575), (38, 39198800), (40, 37238860), (43, 34640800), (50, 29791088), (53, 28104800), (76, 19599400), (80, 18619430), (86, 17320400), (95, 15679520), (100, 14895544), (106, 14052400), (152, 9799700), (160, 9309715), (172, 8660200), (190, 7839760), (200, 7447772), (212, 7026200), (215, 6928160), (265, 5620960), (304, 4899850), (344, 4330100), (380, 3919880), (400, 3723886), (424, 3513100), (430, 3464080), (475, 3135904), (530, 2810480), (608, 2449925), (688, 2165050), (760, 1959940), (800, 1861943), (817, 1823200), (848, 1756550), (860, 1732040), (950, 1567952), (1007, 1479200), (1060, 1405240), (1075, 1385632), (1325, 1124192), (1376, 1082525), (1520, 979970), (1634, 911600), (1696, 878275), (1720, 866020), (1849, 805600), (1900, 783976), (2014, 739600), (2120, 702620), (2150, 692816), (2279, 653600), (2650, 562096), (3040, 489985), (3268, 455800), (3440, 433010), (3698, 402800), (3800, 391988), (4028, 369800), (4085, 364640), (4240, 351310), (4300, 346408), (4558, 326800), (5035, 295840), (5300, 281048), (6536, 227900), (6880, 216505), (7396, 201400), (7600, 195994), (8056, 184900), (8170, 182320), (8480, 175655), (8600, 173204), (9116, 163400), (9245, 161120), (10070, 147920), (10600, 140524), (11395, 130720), (13072, 113950), (14792, 100700), (15200, 97997), (16112, 92450), (16340, 91160), (17200, 86602), (18232, 81700), (18490, 80560), (20140, 73960), (20425, 72928), (21200, 70262), (22790, 65360), (25175, 59168), (26144, 56975), (29584, 50350), (32224, 46225), (32680, 45580), (34400, 43301), (35131, 42400), (36464, 40850), (36980, 40280)]