257171850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43961}}^1$

素因数の和:43992

約数の個数: 72

約数和(自身を含む): 744100812

約数和(自身を除く): 486928962

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 5850, 43961, 87922, 131883, 219805, 263766, 395649, 439610, 571493, 659415, 791298, 1099025, 1142986, 1318830, 1714479, 1978245, 2198050, 2857465, 3297075, 3428958, 3956490, 5143437, 5714930, 6594150, 8572395, 9891225, 10286874, 14287325, 17144790, 19782450, 25717185, 28574650, 42861975, 51434370, 85723950, 128585925, 257171850]

約数ペア:

[(1, 257171850), (2, 128585925), (3, 85723950), (5, 51434370), (6, 42861975), (9, 28574650), (10, 25717185), (13, 19782450), (15, 17144790), (18, 14287325), (25, 10286874), (26, 9891225), (30, 8572395), (39, 6594150), (45, 5714930), (50, 5143437), (65, 3956490), (75, 3428958), (78, 3297075), (90, 2857465), (117, 2198050), (130, 1978245), (150, 1714479), (195, 1318830), (225, 1142986), (234, 1099025), (325, 791298), (390, 659415), (450, 571493), (585, 439610), (650, 395649), (975, 263766), (1170, 219805), (1950, 131883), (2925, 87922), (5850, 43961)]