189344990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{641}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 345755520

約数和(自身を除く): 156410530

約数列:

[1, 2, 5, 10, 109, 218, 271, 542, 545, 641, 1090, 1282, 1355, 2710, 3205, 6410, 29539, 59078, 69869, 139738, 147695, 173711, 295390, 347422, 349345, 698690, 868555, 1737110, 18934499, 37868998, 94672495, 189344990]

約数ペア:

[(1, 189344990), (2, 94672495), (5, 37868998), (10, 18934499), (109, 1737110), (218, 868555), (271, 698690), (542, 349345), (545, 347422), (641, 295390), (1090, 173711), (1282, 147695), (1355, 139738), (2710, 69869), (3205, 59078), (6410, 29539)]