202104420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{68743}}^1$

素因数の和:68769

約数の個数: 72

約数和(自身を含む): 658292544

約数和(自身を除く): 456188124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 68743, 137486, 206229, 274972, 343715, 412458, 481201, 687430, 824916, 962402, 1031145, 1374860, 1443603, 1924804, 2062290, 2406005, 2887206, 3368407, 4124580, 4812010, 5774412, 6736814, 7218015, 9624020, 10105221, 13473628, 14436030, 16842035, 20210442, 28872060, 33684070, 40420884, 50526105, 67368140, 101052210, 202104420]

約数ペア:

[(1, 202104420), (2, 101052210), (3, 67368140), (4, 50526105), (5, 40420884), (6, 33684070), (7, 28872060), (10, 20210442), (12, 16842035), (14, 14436030), (15, 13473628), (20, 10105221), (21, 9624020), (28, 7218015), (30, 6736814), (35, 5774412), (42, 4812010), (49, 4124580), (60, 3368407), (70, 2887206), (84, 2406005), (98, 2062290), (105, 1924804), (140, 1443603), (147, 1374860), (196, 1031145), (210, 962402), (245, 824916), (294, 687430), (420, 481201), (490, 412458), (588, 343715), (735, 274972), (980, 206229), (1470, 137486), (2940, 68743)]