213354400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1287

約数の個数: 144

約数和(自身を含む): 614960640

約数和(自身を除く): 401606240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 800, 868, 992, 1085, 1120, 1229, 1240, 1400, 1550, 1736, 2170, 2458, 2480, 2800, 3100, 3472, 4340, 4916, 4960, 5425, 5600, 6145, 6200, 6944, 8603, 8680, 9832, 10850, 12290, 12400, 17206, 17360, 19664, 21700, 24580, 24800, 30725, 34412, 34720, 38099, 39328, 43015, 43400, 49160, 61450, 68824, 76198, 86030, 86800, 98320, 122900, 137648, 152396, 172060, 173600, 190495, 196640, 215075, 245800, 266693, 275296, 304792, 344120, 380990, 430150, 491600, 533386, 609584, 688240, 761980, 860300, 952475, 983200, 1066772, 1219168, 1333465, 1376480, 1523960, 1720600, 1904950, 2133544, 2666930, 3047920, 3441200, 3809900, 4267088, 5333860, 6095840, 6667325, 6882400, 7619800, 8534176, 10667720, 13334650, 15239600, 21335440, 26669300, 30479200, 42670880, 53338600, 106677200, 213354400]

約数ペア:

[(1, 213354400), (2, 106677200), (4, 53338600), (5, 42670880), (7, 30479200), (8, 26669300), (10, 21335440), (14, 15239600), (16, 13334650), (20, 10667720), (25, 8534176), (28, 7619800), (31, 6882400), (32, 6667325), (35, 6095840), (40, 5333860), (50, 4267088), (56, 3809900), (62, 3441200), (70, 3047920), (80, 2666930), (100, 2133544), (112, 1904950), (124, 1720600), (140, 1523960), (155, 1376480), (160, 1333465), (175, 1219168), (200, 1066772), (217, 983200), (224, 952475), (248, 860300), (280, 761980), (310, 688240), (350, 609584), (400, 533386), (434, 491600), (496, 430150), (560, 380990), (620, 344120), (700, 304792), (775, 275296), (800, 266693), (868, 245800), (992, 215075), (1085, 196640), (1120, 190495), (1229, 173600), (1240, 172060), (1400, 152396), (1550, 137648), (1736, 122900), (2170, 98320), (2458, 86800), (2480, 86030), (2800, 76198), (3100, 68824), (3472, 61450), (4340, 49160), (4916, 43400), (4960, 43015), (5425, 39328), (5600, 38099), (6145, 34720), (6200, 34412), (6944, 30725), (8603, 24800), (8680, 24580), (9832, 21700), (10850, 19664), (12290, 17360), (12400, 17206)]