557903560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1\times {\mathrm{613}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 1281368880

約数和(自身を除く): 723465320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 373, 488, 610, 613, 746, 1220, 1226, 1492, 1865, 2440, 2452, 2984, 3065, 3730, 4904, 6130, 7460, 12260, 14920, 22753, 24520, 37393, 45506, 74786, 91012, 113765, 149572, 182024, 186965, 227530, 228649, 299144, 373930, 455060, 457298, 747860, 910120, 914596, 1143245, 1495720, 1829192, 2286490, 4572980, 9145960, 13947589, 27895178, 55790356, 69737945, 111580712, 139475890, 278951780, 557903560]

約数ペア:

[(1, 557903560), (2, 278951780), (4, 139475890), (5, 111580712), (8, 69737945), (10, 55790356), (20, 27895178), (40, 13947589), (61, 9145960), (122, 4572980), (244, 2286490), (305, 1829192), (373, 1495720), (488, 1143245), (610, 914596), (613, 910120), (746, 747860), (1220, 457298), (1226, 455060), (1492, 373930), (1865, 299144), (2440, 228649), (2452, 227530), (2984, 186965), (3065, 182024), (3730, 149572), (4904, 113765), (6130, 91012), (7460, 74786), (12260, 45506), (14920, 37393), (22753, 24520)]