486545540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{98491}}^1$

素因数の和:98532

約数の個数: 48

約数和(自身を含む): 1158265920

約数和(自身を除く): 671720380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 98491, 196982, 393964, 492455, 984910, 1280383, 1871329, 1969820, 2560766, 3742658, 5121532, 6401915, 7485316, 9356645, 12803830, 18713290, 24327277, 25607660, 37426580, 48654554, 97309108, 121636385, 243272770, 486545540]

約数ペア:

[(1, 486545540), (2, 243272770), (4, 121636385), (5, 97309108), (10, 48654554), (13, 37426580), (19, 25607660), (20, 24327277), (26, 18713290), (38, 12803830), (52, 9356645), (65, 7485316), (76, 6401915), (95, 5121532), (130, 3742658), (190, 2560766), (247, 1969820), (260, 1871329), (380, 1280383), (494, 984910), (988, 492455), (1235, 393964), (2470, 196982), (4940, 98491)]