172863860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 412860672

約数和(自身を除く): 239996812

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 137, 211, 230, 260, 274, 299, 422, 460, 548, 598, 685, 844, 1055, 1196, 1370, 1495, 1781, 2110, 2740, 2743, 2990, 3151, 3562, 4220, 4853, 5486, 5980, 6302, 7124, 8905, 9706, 10972, 12604, 13715, 15755, 17810, 19412, 24265, 27430, 28907, 31510, 35620, 40963, 48530, 54860, 57814, 63020, 63089, 81926, 97060, 115628, 126178, 144535, 163852, 204815, 252356, 289070, 315445, 375791, 409630, 578140, 630890, 664861, 751582, 819260, 1261780, 1329722, 1503164, 1878955, 2659444, 3324305, 3757910, 6648610, 7515820, 8643193, 13297220, 17286386, 34572772, 43215965, 86431930, 172863860]

約数ペア:

[(1, 172863860), (2, 86431930), (4, 43215965), (5, 34572772), (10, 17286386), (13, 13297220), (20, 8643193), (23, 7515820), (26, 6648610), (46, 3757910), (52, 3324305), (65, 2659444), (92, 1878955), (115, 1503164), (130, 1329722), (137, 1261780), (211, 819260), (230, 751582), (260, 664861), (274, 630890), (299, 578140), (422, 409630), (460, 375791), (548, 315445), (598, 289070), (685, 252356), (844, 204815), (1055, 163852), (1196, 144535), (1370, 126178), (1495, 115628), (1781, 97060), (2110, 81926), (2740, 63089), (2743, 63020), (2990, 57814), (3151, 54860), (3562, 48530), (4220, 40963), (4853, 35620), (5486, 31510), (5980, 28907), (6302, 27430), (7124, 24265), (8905, 19412), (9706, 17810), (10972, 15755), (12604, 13715)]