19725820100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{9829}}^1$

素因数の和:9958

約数の個数: 144

約数和(自身を含む): 50785082880

約数和(自身を除く): 31059262780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 61, 70, 94, 100, 122, 140, 175, 188, 235, 244, 305, 329, 350, 427, 470, 610, 658, 700, 854, 940, 1175, 1220, 1316, 1525, 1645, 1708, 2135, 2350, 2867, 3050, 3290, 4270, 4700, 5734, 6100, 6580, 8225, 8540, 9829, 10675, 11468, 14335, 16450, 19658, 20069, 21350, 28670, 32900, 39316, 40138, 42700, 49145, 57340, 68803, 71675, 80276, 98290, 100345, 137606, 143350, 196580, 200690, 245725, 275212, 286700, 344015, 401380, 461963, 491450, 501725, 599569, 688030, 923926, 982900, 1003450, 1199138, 1376060, 1720075, 1847852, 2006900, 2309815, 2398276, 2997845, 3233741, 3440150, 4196983, 4619630, 5995690, 6467482, 6880300, 8393966, 9239260, 11549075, 11991380, 12934964, 14989225, 16168705, 16787932, 20984915, 23098150, 28179743, 29978450, 32337410, 41969830, 46196300, 56359486, 59956900, 64674820, 80843525, 83939660, 104924575, 112718972, 140898715, 161687050, 197258201, 209849150, 281797430, 323374100, 394516402, 419698300, 563594860, 704493575, 789032804, 986291005, 1408987150, 1972582010, 2817974300, 3945164020, 4931455025, 9862910050, 19725820100]

約数ペア:

[(1, 19725820100), (2, 9862910050), (4, 4931455025), (5, 3945164020), (7, 2817974300), (10, 1972582010), (14, 1408987150), (20, 986291005), (25, 789032804), (28, 704493575), (35, 563594860), (47, 419698300), (50, 394516402), (61, 323374100), (70, 281797430), (94, 209849150), (100, 197258201), (122, 161687050), (140, 140898715), (175, 112718972), (188, 104924575), (235, 83939660), (244, 80843525), (305, 64674820), (329, 59956900), (350, 56359486), (427, 46196300), (470, 41969830), (610, 32337410), (658, 29978450), (700, 28179743), (854, 23098150), (940, 20984915), (1175, 16787932), (1220, 16168705), (1316, 14989225), (1525, 12934964), (1645, 11991380), (1708, 11549075), (2135, 9239260), (2350, 8393966), (2867, 6880300), (3050, 6467482), (3290, 5995690), (4270, 4619630), (4700, 4196983), (5734, 3440150), (6100, 3233741), (6580, 2997845), (8225, 2398276), (8540, 2309815), (9829, 2006900), (10675, 1847852), (11468, 1720075), (14335, 1376060), (16450, 1199138), (19658, 1003450), (20069, 982900), (21350, 923926), (28670, 688030), (32900, 599569), (39316, 501725), (40138, 491450), (42700, 461963), (49145, 401380), (57340, 344015), (68803, 286700), (71675, 275212), (80276, 245725), (98290, 200690), (100345, 196580), (137606, 143350)]