494780

素因数分解:

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

素因数の和:206

約数の個数: 48

約数和(自身を含む): 1227744

約数和(自身を除く): 732964

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 173, 220, 260, 286, 346, 572, 692, 715, 865, 1430, 1730, 1903, 2249, 2860, 3460, 3806, 4498, 7612, 8996, 9515, 11245, 19030, 22490, 24739, 38060, 44980, 49478, 98956, 123695, 247390, 494780]

約数ペア:

[(1, 494780), (2, 247390), (4, 123695), (5, 98956), (10, 49478), (11, 44980), (13, 38060), (20, 24739), (22, 22490), (26, 19030), (44, 11245), (52, 9515), (55, 8996), (65, 7612), (110, 4498), (130, 3806), (143, 3460), (173, 2860), (220, 2249), (260, 1903), (286, 1730), (346, 1430), (572, 865), (692, 715)]