200913940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2753}}^1$

素因数の和:2892

約数の個数: 48

約数和(自身を含む): 437225040

約数和(自身を除く): 236311100

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 820, 890, 1780, 2753, 3649, 5506, 7298, 11012, 13765, 14596, 18245, 27530, 36490, 55060, 72980, 112873, 225746, 245017, 451492, 490034, 564365, 980068, 1128730, 1225085, 2257460, 2450170, 4900340, 10045697, 20091394, 40182788, 50228485, 100456970, 200913940]

約数ペア:

[(1, 200913940), (2, 100456970), (4, 50228485), (5, 40182788), (10, 20091394), (20, 10045697), (41, 4900340), (82, 2450170), (89, 2257460), (164, 1225085), (178, 1128730), (205, 980068), (356, 564365), (410, 490034), (445, 451492), (820, 245017), (890, 225746), (1780, 112873), (2753, 72980), (3649, 55060), (5506, 36490), (7298, 27530), (11012, 18245), (13765, 14596)]