201916390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:985

約数の個数: 64

約数和(自身を含む): 410743872

約数和(自身を除く): 208827482

約数列:

[1, 2, 5, 10, 13, 26, 41, 43, 65, 82, 86, 130, 205, 215, 410, 430, 533, 559, 881, 1066, 1118, 1762, 1763, 2665, 2795, 3526, 4405, 5330, 5590, 8810, 8815, 11453, 17630, 22906, 22919, 36121, 37883, 45838, 57265, 72242, 75766, 114530, 114595, 180605, 189415, 229190, 361210, 378830, 469573, 492479, 939146, 984958, 1553203, 2347865, 2462395, 3106406, 4695730, 4924790, 7766015, 15532030, 20191639, 40383278, 100958195, 201916390]

約数ペア:

[(1, 201916390), (2, 100958195), (5, 40383278), (10, 20191639), (13, 15532030), (26, 7766015), (41, 4924790), (43, 4695730), (65, 3106406), (82, 2462395), (86, 2347865), (130, 1553203), (205, 984958), (215, 939146), (410, 492479), (430, 469573), (533, 378830), (559, 361210), (881, 229190), (1066, 189415), (1118, 180605), (1762, 114595), (1763, 114530), (2665, 75766), (2795, 72242), (3526, 57265), (4405, 45838), (5330, 37883), (5590, 36121), (8810, 22919), (8815, 22906), (11453, 17630)]