19816536400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{38917}}^1$

素因数の和:39021

約数の個数: 120

約数和(自身を含む): 50864269280

約数和(自身を除く): 31047732880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 67, 76, 80, 95, 100, 134, 152, 190, 200, 268, 304, 335, 380, 400, 475, 536, 670, 760, 950, 1072, 1273, 1340, 1520, 1675, 1900, 2546, 2680, 3350, 3800, 5092, 5360, 6365, 6700, 7600, 10184, 12730, 13400, 20368, 25460, 26800, 31825, 38917, 50920, 63650, 77834, 101840, 127300, 155668, 194585, 254600, 311336, 389170, 509200, 622672, 739423, 778340, 972925, 1478846, 1556680, 1945850, 2607439, 2957692, 3113360, 3697115, 3891700, 5214878, 5915384, 7394230, 7783400, 10429756, 11830768, 13037195, 14788460, 15566800, 18485575, 20859512, 26074390, 29576920, 36971150, 41719024, 49541341, 52148780, 59153840, 65185975, 73942300, 99082682, 104297560, 130371950, 147884600, 198165364, 208595120, 247706705, 260743900, 295769200, 396330728, 495413410, 521487800, 792661456, 990826820, 1042975600, 1238533525, 1981653640, 2477067050, 3963307280, 4954134100, 9908268200, 19816536400]

約数ペア:

[(1, 19816536400), (2, 9908268200), (4, 4954134100), (5, 3963307280), (8, 2477067050), (10, 1981653640), (16, 1238533525), (19, 1042975600), (20, 990826820), (25, 792661456), (38, 521487800), (40, 495413410), (50, 396330728), (67, 295769200), (76, 260743900), (80, 247706705), (95, 208595120), (100, 198165364), (134, 147884600), (152, 130371950), (190, 104297560), (200, 99082682), (268, 73942300), (304, 65185975), (335, 59153840), (380, 52148780), (400, 49541341), (475, 41719024), (536, 36971150), (670, 29576920), (760, 26074390), (950, 20859512), (1072, 18485575), (1273, 15566800), (1340, 14788460), (1520, 13037195), (1675, 11830768), (1900, 10429756), (2546, 7783400), (2680, 7394230), (3350, 5915384), (3800, 5214878), (5092, 3891700), (5360, 3697115), (6365, 3113360), (6700, 2957692), (7600, 2607439), (10184, 1945850), (12730, 1556680), (13400, 1478846), (20368, 972925), (25460, 778340), (26800, 739423), (31825, 622672), (38917, 509200), (50920, 389170), (63650, 311336), (77834, 254600), (101840, 194585), (127300, 155668)]