634455126520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{1233101}}^1$

素因数の和:1233808

約数の個数: 64

約数和(自身を含む): 1504877680800

約数和(自身を除く): 870422554280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 677, 760, 1354, 2708, 3385, 5416, 6770, 12863, 13540, 25726, 27080, 51452, 64315, 102904, 128630, 257260, 514520, 1233101, 2466202, 4932404, 6165505, 9864808, 12331010, 23428919, 24662020, 46857838, 49324040, 93715676, 117144595, 187431352, 234289190, 468578380, 834809377, 937156760, 1669618754, 3339237508, 4174046885, 6678475016, 8348093770, 15861378163, 16696187540, 31722756326, 33392375080, 63445512652, 79306890815, 126891025304, 158613781630, 317227563260, 634455126520]

約数ペア:

[(1, 634455126520), (2, 317227563260), (4, 158613781630), (5, 126891025304), (8, 79306890815), (10, 63445512652), (19, 33392375080), (20, 31722756326), (38, 16696187540), (40, 15861378163), (76, 8348093770), (95, 6678475016), (152, 4174046885), (190, 3339237508), (380, 1669618754), (677, 937156760), (760, 834809377), (1354, 468578380), (2708, 234289190), (3385, 187431352), (5416, 117144595), (6770, 93715676), (12863, 49324040), (13540, 46857838), (25726, 24662020), (27080, 23428919), (51452, 12331010), (64315, 9864808), (102904, 6165505), (128630, 4932404), (257260, 2466202), (514520, 1233101)]