406947890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{4111}}^1$

素因数の和:4658

約数の個数: 32

約数和(自身を含む): 772727040

約数和(自身を除く): 365779150

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 521, 1042, 2605, 4111, 5210, 8222, 9899, 19798, 20555, 41110, 49495, 78109, 98990, 156218, 390545, 781090, 2141831, 4283662, 10709155, 21418310, 40694789, 81389578, 203473945, 406947890]

約数ペア:

[(1, 406947890), (2, 203473945), (5, 81389578), (10, 40694789), (19, 21418310), (38, 10709155), (95, 4283662), (190, 2141831), (521, 781090), (1042, 390545), (2605, 156218), (4111, 98990), (5210, 78109), (8222, 49495), (9899, 41110), (19798, 20555)]