2399540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 5927040

約数和(自身を除く): 3527500

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 839, 1430, 1678, 2860, 3356, 4195, 8390, 9229, 10907, 16780, 18458, 21814, 36916, 43628, 46145, 54535, 92290, 109070, 119977, 184580, 218140, 239954, 479908, 599885, 1199770, 2399540]

約数ペア:

[(1, 2399540), (2, 1199770), (4, 599885), (5, 479908), (10, 239954), (11, 218140), (13, 184580), (20, 119977), (22, 109070), (26, 92290), (44, 54535), (52, 46145), (55, 43628), (65, 36916), (110, 21814), (130, 18458), (143, 16780), (220, 10907), (260, 9229), (286, 8390), (572, 4195), (715, 3356), (839, 2860), (1430, 1678)]