121131460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1165

約数の個数: 72

約数和(自身を含む): 284699520

約数和(自身を除く): 163568060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 1103, 1156, 1292, 1445, 1615, 2206, 2890, 3230, 4412, 5491, 5515, 5780, 6460, 10982, 11030, 18751, 20957, 21964, 22060, 27455, 37502, 41914, 54910, 75004, 83828, 93755, 104785, 109820, 187510, 209570, 318767, 356269, 375020, 419140, 637534, 712538, 1275068, 1425076, 1593835, 1781345, 3187670, 3562690, 6056573, 6375340, 7125380, 12113146, 24226292, 30282865, 60565730, 121131460]

約数ペア:

[(1, 121131460), (2, 60565730), (4, 30282865), (5, 24226292), (10, 12113146), (17, 7125380), (19, 6375340), (20, 6056573), (34, 3562690), (38, 3187670), (68, 1781345), (76, 1593835), (85, 1425076), (95, 1275068), (170, 712538), (190, 637534), (289, 419140), (323, 375020), (340, 356269), (380, 318767), (578, 209570), (646, 187510), (1103, 109820), (1156, 104785), (1292, 93755), (1445, 83828), (1615, 75004), (2206, 54910), (2890, 41914), (3230, 37502), (4412, 27455), (5491, 22060), (5515, 21964), (5780, 20957), (6460, 18751), (10982, 11030)]