680001400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6379}}^1$

素因数の和:6449

約数の個数: 96

約数和(自身を含む): 1744419600

約数和(自身を除く): 1064418200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 41, 50, 52, 65, 82, 100, 104, 130, 164, 200, 205, 260, 325, 328, 410, 520, 533, 650, 820, 1025, 1066, 1300, 1640, 2050, 2132, 2600, 2665, 4100, 4264, 5330, 6379, 8200, 10660, 12758, 13325, 21320, 25516, 26650, 31895, 51032, 53300, 63790, 82927, 106600, 127580, 159475, 165854, 255160, 261539, 318950, 331708, 414635, 523078, 637900, 663416, 829270, 1046156, 1275800, 1307695, 1658540, 2073175, 2092312, 2615390, 3317080, 3400007, 4146350, 5230780, 6538475, 6800014, 8292700, 10461560, 13076950, 13600028, 16585400, 17000035, 26153900, 27200056, 34000070, 52307800, 68000140, 85000175, 136000280, 170000350, 340000700, 680001400]

約数ペア:

[(1, 680001400), (2, 340000700), (4, 170000350), (5, 136000280), (8, 85000175), (10, 68000140), (13, 52307800), (20, 34000070), (25, 27200056), (26, 26153900), (40, 17000035), (41, 16585400), (50, 13600028), (52, 13076950), (65, 10461560), (82, 8292700), (100, 6800014), (104, 6538475), (130, 5230780), (164, 4146350), (200, 3400007), (205, 3317080), (260, 2615390), (325, 2092312), (328, 2073175), (410, 1658540), (520, 1307695), (533, 1275800), (650, 1046156), (820, 829270), (1025, 663416), (1066, 637900), (1300, 523078), (1640, 414635), (2050, 331708), (2132, 318950), (2600, 261539), (2665, 255160), (4100, 165854), (4264, 159475), (5330, 127580), (6379, 106600), (8200, 82927), (10660, 63790), (12758, 53300), (13325, 51032), (21320, 31895), (25516, 26650)]