215937400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 192

約数和(自身を含む): 624602880

約数和(自身を除く): 408665480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 43, 50, 56, 68, 70, 85, 86, 100, 119, 136, 140, 170, 172, 175, 200, 211, 215, 238, 280, 301, 340, 344, 350, 422, 425, 430, 476, 595, 602, 680, 700, 731, 844, 850, 860, 952, 1055, 1075, 1190, 1204, 1400, 1462, 1477, 1505, 1688, 1700, 1720, 2110, 2150, 2380, 2408, 2924, 2954, 2975, 3010, 3400, 3587, 3655, 4220, 4300, 4760, 5117, 5275, 5848, 5908, 5950, 6020, 7174, 7310, 7385, 7525, 8440, 8600, 9073, 10234, 10550, 11816, 11900, 12040, 14348, 14620, 14770, 15050, 17935, 18146, 18275, 20468, 21100, 23800, 25109, 25585, 28696, 29240, 29540, 30100, 35870, 36292, 36550, 36925, 40936, 42200, 45365, 50218, 51170, 59080, 60200, 63511, 71740, 72584, 73100, 73850, 89675, 90730, 100436, 102340, 125545, 127022, 127925, 143480, 146200, 147700, 154241, 179350, 181460, 200872, 204680, 226825, 251090, 254044, 255850, 295400, 308482, 317555, 358700, 362920, 453650, 502180, 508088, 511700, 616964, 627725, 635110, 717400, 771205, 907300, 1004360, 1023400, 1079687, 1233928, 1255450, 1270220, 1542410, 1587775, 1814600, 2159374, 2510900, 2540440, 3084820, 3175550, 3856025, 4318748, 5021800, 5398435, 6169640, 6351100, 7712050, 8637496, 10796870, 12702200, 15424100, 21593740, 26992175, 30848200, 43187480, 53984350, 107968700, 215937400]

約数ペア:

[(1, 215937400), (2, 107968700), (4, 53984350), (5, 43187480), (7, 30848200), (8, 26992175), (10, 21593740), (14, 15424100), (17, 12702200), (20, 10796870), (25, 8637496), (28, 7712050), (34, 6351100), (35, 6169640), (40, 5398435), (43, 5021800), (50, 4318748), (56, 3856025), (68, 3175550), (70, 3084820), (85, 2540440), (86, 2510900), (100, 2159374), (119, 1814600), (136, 1587775), (140, 1542410), (170, 1270220), (172, 1255450), (175, 1233928), (200, 1079687), (211, 1023400), (215, 1004360), (238, 907300), (280, 771205), (301, 717400), (340, 635110), (344, 627725), (350, 616964), (422, 511700), (425, 508088), (430, 502180), (476, 453650), (595, 362920), (602, 358700), (680, 317555), (700, 308482), (731, 295400), (844, 255850), (850, 254044), (860, 251090), (952, 226825), (1055, 204680), (1075, 200872), (1190, 181460), (1204, 179350), (1400, 154241), (1462, 147700), (1477, 146200), (1505, 143480), (1688, 127925), (1700, 127022), (1720, 125545), (2110, 102340), (2150, 100436), (2380, 90730), (2408, 89675), (2924, 73850), (2954, 73100), (2975, 72584), (3010, 71740), (3400, 63511), (3587, 60200), (3655, 59080), (4220, 51170), (4300, 50218), (4760, 45365), (5117, 42200), (5275, 40936), (5848, 36925), (5908, 36550), (5950, 36292), (6020, 35870), (7174, 30100), (7310, 29540), (7385, 29240), (7525, 28696), (8440, 25585), (8600, 25109), (9073, 23800), (10234, 21100), (10550, 20468), (11816, 18275), (11900, 18146), (12040, 17935), (14348, 15050), (14620, 14770)]