70439320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1277}}^1$

素因数の和:1492

約数の個数: 64

約数和(自身を含む): 182191680

約数和(自身を除く): 111752360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1277, 1379, 1576, 1970, 2554, 2758, 3940, 5108, 5516, 6385, 6895, 7880, 8939, 10216, 11032, 12770, 13790, 17878, 25540, 27580, 35756, 44695, 51080, 55160, 71512, 89390, 178780, 251569, 357560, 503138, 1006276, 1257845, 1760983, 2012552, 2515690, 3521966, 5031380, 7043932, 8804915, 10062760, 14087864, 17609830, 35219660, 70439320]

約数ペア:

[(1, 70439320), (2, 35219660), (4, 17609830), (5, 14087864), (7, 10062760), (8, 8804915), (10, 7043932), (14, 5031380), (20, 3521966), (28, 2515690), (35, 2012552), (40, 1760983), (56, 1257845), (70, 1006276), (140, 503138), (197, 357560), (280, 251569), (394, 178780), (788, 89390), (985, 71512), (1277, 55160), (1379, 51080), (1576, 44695), (1970, 35756), (2554, 27580), (2758, 25540), (3940, 17878), (5108, 13790), (5516, 12770), (6385, 11032), (6895, 10216), (7880, 8939)]