253054160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{727}}^1$

素因数の和:988

約数の個数: 80

約数和(自身を含む): 622876800

約数和(自身を除く): 369822640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 229, 304, 380, 458, 727, 760, 916, 1145, 1454, 1520, 1832, 2290, 2908, 3635, 3664, 4351, 4580, 5816, 7270, 8702, 9160, 11632, 13813, 14540, 17404, 18320, 21755, 27626, 29080, 34808, 43510, 55252, 58160, 69065, 69616, 87020, 110504, 138130, 166483, 174040, 221008, 276260, 332966, 348080, 552520, 665932, 832415, 1105040, 1331864, 1664830, 2663728, 3163177, 3329660, 6326354, 6659320, 12652708, 13318640, 15815885, 25305416, 31631770, 50610832, 63263540, 126527080, 253054160]

約数ペア:

[(1, 253054160), (2, 126527080), (4, 63263540), (5, 50610832), (8, 31631770), (10, 25305416), (16, 15815885), (19, 13318640), (20, 12652708), (38, 6659320), (40, 6326354), (76, 3329660), (80, 3163177), (95, 2663728), (152, 1664830), (190, 1331864), (229, 1105040), (304, 832415), (380, 665932), (458, 552520), (727, 348080), (760, 332966), (916, 276260), (1145, 221008), (1454, 174040), (1520, 166483), (1832, 138130), (2290, 110504), (2908, 87020), (3635, 69616), (3664, 69065), (4351, 58160), (4580, 55252), (5816, 43510), (7270, 34808), (8702, 29080), (9160, 27626), (11632, 21755), (13813, 18320), (14540, 17404)]