203378860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{1259}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 440082720

約数和(自身を除く): 236703860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 197, 205, 394, 410, 788, 820, 985, 1259, 1970, 2518, 3940, 5036, 6295, 8077, 12590, 16154, 25180, 32308, 40385, 51619, 80770, 103238, 161540, 206476, 248023, 258095, 496046, 516190, 992092, 1032380, 1240115, 2480230, 4960460, 10168943, 20337886, 40675772, 50844715, 101689430, 203378860]

約数ペア:

[(1, 203378860), (2, 101689430), (4, 50844715), (5, 40675772), (10, 20337886), (20, 10168943), (41, 4960460), (82, 2480230), (164, 1240115), (197, 1032380), (205, 992092), (394, 516190), (410, 496046), (788, 258095), (820, 248023), (985, 206476), (1259, 161540), (1970, 103238), (2518, 80770), (3940, 51619), (5036, 40385), (6295, 32308), (8077, 25180), (12590, 16154)]