209719948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 396497920

約数和(自身を除く): 186777972

約数列:

[1, 2, 4, 19, 38, 73, 76, 103, 146, 206, 292, 367, 412, 734, 1387, 1468, 1957, 2774, 3914, 5548, 6973, 7519, 7828, 13946, 15038, 26791, 27892, 30076, 37801, 53582, 75602, 107164, 142861, 151204, 285722, 509029, 571444, 718219, 1018058, 1436438, 2036116, 2759473, 2872876, 5518946, 11037892, 52429987, 104859974, 209719948]

約数ペア:

[(1, 209719948), (2, 104859974), (4, 52429987), (19, 11037892), (38, 5518946), (73, 2872876), (76, 2759473), (103, 2036116), (146, 1436438), (206, 1018058), (292, 718219), (367, 571444), (412, 509029), (734, 285722), (1387, 151204), (1468, 142861), (1957, 107164), (2774, 75602), (3914, 53582), (5548, 37801), (6973, 30076), (7519, 27892), (7828, 26791), (13946, 15038)]