788554480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{8969}}^1$

素因数の和:9146

約数の個数: 80

約数和(自身を含む): 2108882880

約数和(自身を除く): 1320328400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 1099, 1256, 1570, 2198, 2512, 3140, 4396, 5495, 6280, 8792, 8969, 10990, 12560, 17584, 17938, 21980, 35876, 43960, 44845, 62783, 71752, 87920, 89690, 125566, 143504, 179380, 251132, 313915, 358760, 502264, 627830, 717520, 1004528, 1255660, 1408133, 2511320, 2816266, 5022640, 5632532, 7040665, 9856931, 11265064, 14081330, 19713862, 22530128, 28162660, 39427724, 49284655, 56325320, 78855448, 98569310, 112650640, 157710896, 197138620, 394277240, 788554480]

約数ペア:

[(1, 788554480), (2, 394277240), (4, 197138620), (5, 157710896), (7, 112650640), (8, 98569310), (10, 78855448), (14, 56325320), (16, 49284655), (20, 39427724), (28, 28162660), (35, 22530128), (40, 19713862), (56, 14081330), (70, 11265064), (80, 9856931), (112, 7040665), (140, 5632532), (157, 5022640), (280, 2816266), (314, 2511320), (560, 1408133), (628, 1255660), (785, 1004528), (1099, 717520), (1256, 627830), (1570, 502264), (2198, 358760), (2512, 313915), (3140, 251132), (4396, 179380), (5495, 143504), (6280, 125566), (8792, 89690), (8969, 87920), (10990, 71752), (12560, 62783), (17584, 44845), (17938, 43960), (21980, 35876)]