20147776700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{225619}}^1$

素因数の和:225699

約数の個数: 72

約数和(自身を含む): 47001158400

約数和(自身を除く): 26853381700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 188, 190, 235, 380, 470, 475, 893, 940, 950, 1175, 1786, 1900, 2350, 3572, 4465, 4700, 8930, 17860, 22325, 44650, 89300, 225619, 451238, 902476, 1128095, 2256190, 4286761, 4512380, 5640475, 8573522, 10604093, 11280950, 17147044, 21208186, 21433805, 22561900, 42416372, 42867610, 53020465, 85735220, 106040930, 107169025, 201477767, 212081860, 214338050, 265102325, 402955534, 428676100, 530204650, 805911068, 1007388835, 1060409300, 2014777670, 4029555340, 5036944175, 10073888350, 20147776700]

約数ペア:

[(1, 20147776700), (2, 10073888350), (4, 5036944175), (5, 4029555340), (10, 2014777670), (19, 1060409300), (20, 1007388835), (25, 805911068), (38, 530204650), (47, 428676100), (50, 402955534), (76, 265102325), (94, 214338050), (95, 212081860), (100, 201477767), (188, 107169025), (190, 106040930), (235, 85735220), (380, 53020465), (470, 42867610), (475, 42416372), (893, 22561900), (940, 21433805), (950, 21208186), (1175, 17147044), (1786, 11280950), (1900, 10604093), (2350, 8573522), (3572, 5640475), (4465, 4512380), (4700, 4286761), (8930, 2256190), (17860, 1128095), (22325, 902476), (44650, 451238), (89300, 225619)]