291216380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{160009}}^1$

素因数の和:160038

約数の個数: 48

約数和(自身を含む): 752687040

約数和(自身を除く): 461470660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 160009, 320018, 640036, 800045, 1120063, 1600090, 2080117, 2240126, 3200180, 4160234, 4480252, 5600315, 8320468, 10400585, 11200630, 14560819, 20801170, 22401260, 29121638, 41602340, 58243276, 72804095, 145608190, 291216380]

約数ペア:

[(1, 291216380), (2, 145608190), (4, 72804095), (5, 58243276), (7, 41602340), (10, 29121638), (13, 22401260), (14, 20801170), (20, 14560819), (26, 11200630), (28, 10400585), (35, 8320468), (52, 5600315), (65, 4480252), (70, 4160234), (91, 3200180), (130, 2240126), (140, 2080117), (182, 1600090), (260, 1120063), (364, 800045), (455, 640036), (910, 320018), (1820, 160009)]