201754540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40841}}^1$

素因数の和:40882

約数の個数: 48

約数和(自身を含む): 480301920

約数和(自身を除く): 278547380

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, 40841, 81682, 163364, 204205, 408410, 530933, 775979, 816820, 1061866, 1551958, 2123732, 2654665, 3103916, 3879895, 5309330, 7759790, 10087727, 10618660, 15519580, 20175454, 40350908, 50438635, 100877270, 201754540]

約数ペア:

[(1, 201754540), (2, 100877270), (4, 50438635), (5, 40350908), (10, 20175454), (13, 15519580), (19, 10618660), (20, 10087727), (26, 7759790), (38, 5309330), (52, 3879895), (65, 3103916), (76, 2654665), (95, 2123732), (130, 1551958), (190, 1061866), (247, 816820), (260, 775979), (380, 530933), (494, 408410), (988, 204205), (1235, 163364), (2470, 81682), (4940, 40841)]