21962148400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{16249}}^1$

素因数の和:16407

約数の個数: 120

約数和(自身を含む): 54969200000

約数和(自身を除く): 33007051600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 109, 124, 155, 200, 218, 248, 310, 400, 436, 496, 545, 620, 775, 872, 1090, 1240, 1550, 1744, 2180, 2480, 2725, 3100, 3379, 4360, 5450, 6200, 6758, 8720, 10900, 12400, 13516, 16249, 16895, 21800, 27032, 32498, 33790, 43600, 54064, 64996, 67580, 81245, 84475, 129992, 135160, 162490, 168950, 259984, 270320, 324980, 337900, 406225, 503719, 649960, 675800, 812450, 1007438, 1299920, 1351600, 1624900, 1771141, 2014876, 2518595, 3249800, 3542282, 4029752, 5037190, 6499600, 7084564, 8059504, 8855705, 10074380, 12592975, 14169128, 17711410, 20148760, 25185950, 28338256, 35422820, 40297520, 44278525, 50371900, 54905371, 70845640, 88557050, 100743800, 109810742, 141691280, 177114100, 201487600, 219621484, 274526855, 354228200, 439242968, 549053710, 708456400, 878485936, 1098107420, 1372634275, 2196214840, 2745268550, 4392429680, 5490537100, 10981074200, 21962148400]

約数ペア:

[(1, 21962148400), (2, 10981074200), (4, 5490537100), (5, 4392429680), (8, 2745268550), (10, 2196214840), (16, 1372634275), (20, 1098107420), (25, 878485936), (31, 708456400), (40, 549053710), (50, 439242968), (62, 354228200), (80, 274526855), (100, 219621484), (109, 201487600), (124, 177114100), (155, 141691280), (200, 109810742), (218, 100743800), (248, 88557050), (310, 70845640), (400, 54905371), (436, 50371900), (496, 44278525), (545, 40297520), (620, 35422820), (775, 28338256), (872, 25185950), (1090, 20148760), (1240, 17711410), (1550, 14169128), (1744, 12592975), (2180, 10074380), (2480, 8855705), (2725, 8059504), (3100, 7084564), (3379, 6499600), (4360, 5037190), (5450, 4029752), (6200, 3542282), (6758, 3249800), (8720, 2518595), (10900, 2014876), (12400, 1771141), (13516, 1624900), (16249, 1351600), (16895, 1299920), (21800, 1007438), (27032, 812450), (32498, 675800), (33790, 649960), (43600, 503719), (54064, 406225), (64996, 337900), (67580, 324980), (81245, 270320), (84475, 259984), (129992, 168950), (135160, 162490)]