245548520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28289}}^1$

素因数の和:28338

約数の個数: 64

約数和(自身を含む): 651801600

約数和(自身を除く): 406253080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 28289, 56578, 113156, 141445, 198023, 226312, 282890, 396046, 565780, 792092, 876959, 990115, 1131560, 1584184, 1753918, 1980230, 3507836, 3960460, 4384795, 6138713, 7015672, 7920920, 8769590, 12277426, 17539180, 24554852, 30693565, 35078360, 49109704, 61387130, 122774260, 245548520]

約数ペア:

[(1, 245548520), (2, 122774260), (4, 61387130), (5, 49109704), (7, 35078360), (8, 30693565), (10, 24554852), (14, 17539180), (20, 12277426), (28, 8769590), (31, 7920920), (35, 7015672), (40, 6138713), (56, 4384795), (62, 3960460), (70, 3507836), (124, 1980230), (140, 1753918), (155, 1584184), (217, 1131560), (248, 990115), (280, 876959), (310, 792092), (434, 565780), (620, 396046), (868, 282890), (1085, 226312), (1240, 198023), (1736, 141445), (2170, 113156), (4340, 56578), (8680, 28289)]