171771940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{467}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 369375552

約数和(自身を除く): 197603612

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 347, 467, 530, 694, 934, 1060, 1388, 1735, 1868, 2335, 3470, 4670, 6940, 9340, 18391, 24751, 36782, 49502, 73564, 91955, 99004, 123755, 162049, 183910, 247510, 324098, 367820, 495020, 648196, 810245, 1620490, 3240980, 8588597, 17177194, 34354388, 42942985, 85885970, 171771940]

約数ペア:

[(1, 171771940), (2, 85885970), (4, 42942985), (5, 34354388), (10, 17177194), (20, 8588597), (53, 3240980), (106, 1620490), (212, 810245), (265, 648196), (347, 495020), (467, 367820), (530, 324098), (694, 247510), (934, 183910), (1060, 162049), (1388, 123755), (1735, 99004), (1868, 91955), (2335, 73564), (3470, 49502), (4670, 36782), (6940, 24751), (9340, 18391)]