493048270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1993}}^1$

素因数の和:2197

約数の個数: 64

約数和(自身を含む): 1049194944

約数和(自身を除く): 556146674

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 173, 286, 346, 715, 865, 1430, 1730, 1903, 1993, 2249, 3806, 3986, 4498, 9515, 9965, 11245, 19030, 19930, 21923, 22490, 24739, 25909, 43846, 49478, 51818, 109615, 123695, 129545, 219230, 247390, 259090, 284999, 344789, 569998, 689578, 1424995, 1723945, 2849990, 3447890, 3792679, 4482257, 7585358, 8964514, 18963395, 22411285, 37926790, 44822570, 49304827, 98609654, 246524135, 493048270]

約数ペア:

[(1, 493048270), (2, 246524135), (5, 98609654), (10, 49304827), (11, 44822570), (13, 37926790), (22, 22411285), (26, 18963395), (55, 8964514), (65, 7585358), (110, 4482257), (130, 3792679), (143, 3447890), (173, 2849990), (286, 1723945), (346, 1424995), (715, 689578), (865, 569998), (1430, 344789), (1730, 284999), (1903, 259090), (1993, 247390), (2249, 219230), (3806, 129545), (3986, 123695), (4498, 109615), (9515, 51818), (9965, 49478), (11245, 43846), (19030, 25909), (19930, 24739), (21923, 22490)]