221738480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3469}}^1$

素因数の和:3546

約数の個数: 80

約数和(自身を含む): 557642880

約数和(自身を除く): 335904400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1598, 1880, 3196, 3469, 3760, 3995, 6392, 6938, 7990, 12784, 13876, 15980, 17345, 27752, 31960, 34690, 55504, 58973, 63920, 69380, 117946, 138760, 163043, 235892, 277520, 294865, 326086, 471784, 589730, 652172, 815215, 943568, 1179460, 1304344, 1630430, 2358920, 2608688, 2771731, 3260860, 4717840, 5543462, 6521720, 11086924, 13043440, 13858655, 22173848, 27717310, 44347696, 55434620, 110869240, 221738480]

約数ペア:

[(1, 221738480), (2, 110869240), (4, 55434620), (5, 44347696), (8, 27717310), (10, 22173848), (16, 13858655), (17, 13043440), (20, 11086924), (34, 6521720), (40, 5543462), (47, 4717840), (68, 3260860), (80, 2771731), (85, 2608688), (94, 2358920), (136, 1630430), (170, 1304344), (188, 1179460), (235, 943568), (272, 815215), (340, 652172), (376, 589730), (470, 471784), (680, 326086), (752, 294865), (799, 277520), (940, 235892), (1360, 163043), (1598, 138760), (1880, 117946), (3196, 69380), (3469, 63920), (3760, 58973), (3995, 55504), (6392, 34690), (6938, 31960), (7990, 27752), (12784, 17345), (13876, 15980)]