88894280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 208494000

約数和(自身を除く): 119599720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 197, 232, 290, 389, 394, 580, 778, 788, 985, 1160, 1556, 1576, 1945, 1970, 3112, 3890, 3940, 5713, 7780, 7880, 11281, 11426, 15560, 22562, 22852, 28565, 45124, 45704, 56405, 57130, 76633, 90248, 112810, 114260, 153266, 225620, 228520, 306532, 383165, 451240, 613064, 766330, 1532660, 2222357, 3065320, 4444714, 8889428, 11111785, 17778856, 22223570, 44447140, 88894280]

約数ペア:

[(1, 88894280), (2, 44447140), (4, 22223570), (5, 17778856), (8, 11111785), (10, 8889428), (20, 4444714), (29, 3065320), (40, 2222357), (58, 1532660), (116, 766330), (145, 613064), (197, 451240), (232, 383165), (290, 306532), (389, 228520), (394, 225620), (580, 153266), (778, 114260), (788, 112810), (985, 90248), (1160, 76633), (1556, 57130), (1576, 56405), (1945, 45704), (1970, 45124), (3112, 28565), (3890, 22852), (3940, 22562), (5713, 15560), (7780, 11426), (7880, 11281)]