20081132300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{797}}^1$

素因数の和:1068

約数の個数: 144

約数和(自身を含む): 46754820000

約数和(自身を除く): 26673687700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 89, 95, 100, 149, 178, 190, 298, 356, 380, 445, 475, 596, 745, 797, 890, 950, 1490, 1594, 1691, 1780, 1900, 2225, 2831, 2980, 3188, 3382, 3725, 3985, 4450, 5662, 6764, 7450, 7970, 8455, 8900, 11324, 13261, 14155, 14900, 15143, 15940, 16910, 19925, 26522, 28310, 30286, 33820, 39850, 42275, 53044, 56620, 60572, 66305, 70775, 70933, 75715, 79700, 84550, 118753, 132610, 141550, 141866, 151430, 169100, 237506, 251959, 265220, 283100, 283732, 302860, 331525, 354665, 378575, 475012, 503918, 593765, 663050, 709330, 757150, 1007836, 1187530, 1259795, 1326100, 1347727, 1418660, 1514300, 1773325, 2256307, 2375060, 2519590, 2695454, 2968825, 3546650, 4512614, 5039180, 5390908, 5937650, 6298975, 6738635, 7093300, 9025228, 10569017, 11281535, 11875300, 12597950, 13477270, 21138034, 22563070, 25195900, 26954540, 33693175, 42276068, 45126140, 52845085, 56407675, 67386350, 105690170, 112815350, 134772700, 200811323, 211380340, 225630700, 264225425, 401622646, 528450850, 803245292, 1004056615, 1056901700, 2008113230, 4016226460, 5020283075, 10040566150, 20081132300]

約数ペア:

[(1, 20081132300), (2, 10040566150), (4, 5020283075), (5, 4016226460), (10, 2008113230), (19, 1056901700), (20, 1004056615), (25, 803245292), (38, 528450850), (50, 401622646), (76, 264225425), (89, 225630700), (95, 211380340), (100, 200811323), (149, 134772700), (178, 112815350), (190, 105690170), (298, 67386350), (356, 56407675), (380, 52845085), (445, 45126140), (475, 42276068), (596, 33693175), (745, 26954540), (797, 25195900), (890, 22563070), (950, 21138034), (1490, 13477270), (1594, 12597950), (1691, 11875300), (1780, 11281535), (1900, 10569017), (2225, 9025228), (2831, 7093300), (2980, 6738635), (3188, 6298975), (3382, 5937650), (3725, 5390908), (3985, 5039180), (4450, 4512614), (5662, 3546650), (6764, 2968825), (7450, 2695454), (7970, 2519590), (8455, 2375060), (8900, 2256307), (11324, 1773325), (13261, 1514300), (14155, 1418660), (14900, 1347727), (15143, 1326100), (15940, 1259795), (16910, 1187530), (19925, 1007836), (26522, 757150), (28310, 709330), (30286, 663050), (33820, 593765), (39850, 503918), (42275, 475012), (53044, 378575), (56620, 354665), (60572, 331525), (66305, 302860), (70775, 283732), (70933, 283100), (75715, 265220), (79700, 251959), (84550, 237506), (118753, 169100), (132610, 151430), (141550, 141866)]