169174940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{1319}}^1$

素因数の和:1403

約数の個数: 72

約数和(自身を含む): 398170080

約数和(自身を除く): 228995140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 121, 212, 220, 242, 265, 484, 530, 583, 605, 1060, 1166, 1210, 1319, 2332, 2420, 2638, 2915, 5276, 5830, 6413, 6595, 11660, 12826, 13190, 14509, 25652, 26380, 29018, 32065, 58036, 64130, 69907, 72545, 128260, 139814, 145090, 159599, 279628, 290180, 319198, 349535, 638396, 699070, 768977, 797995, 1398140, 1537954, 1595990, 3075908, 3191980, 3844885, 7689770, 8458747, 15379540, 16917494, 33834988, 42293735, 84587470, 169174940]

約数ペア:

[(1, 169174940), (2, 84587470), (4, 42293735), (5, 33834988), (10, 16917494), (11, 15379540), (20, 8458747), (22, 7689770), (44, 3844885), (53, 3191980), (55, 3075908), (106, 1595990), (110, 1537954), (121, 1398140), (212, 797995), (220, 768977), (242, 699070), (265, 638396), (484, 349535), (530, 319198), (583, 290180), (605, 279628), (1060, 159599), (1166, 145090), (1210, 139814), (1319, 128260), (2332, 72545), (2420, 69907), (2638, 64130), (2915, 58036), (5276, 32065), (5830, 29018), (6413, 26380), (6595, 25652), (11660, 14509), (12826, 13190)]