203486240

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20849}}^1$

素因数の和:20925

約数の個数: 48

約数和(自身を含む): 488640600

約数和(自身を除く): 285154360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 20849, 41698, 83396, 104245, 166792, 208490, 333584, 416980, 667168, 833960, 1271789, 1667920, 2543578, 3335840, 5087156, 6358945, 10174312, 12717890, 20348624, 25435780, 40697248, 50871560, 101743120, 203486240]

約数ペア:

[(1, 203486240), (2, 101743120), (4, 50871560), (5, 40697248), (8, 25435780), (10, 20348624), (16, 12717890), (20, 10174312), (32, 6358945), (40, 5087156), (61, 3335840), (80, 2543578), (122, 1667920), (160, 1271789), (244, 833960), (305, 667168), (488, 416980), (610, 333584), (976, 208490), (1220, 166792), (1952, 104245), (2440, 83396), (4880, 41698), (9760, 20849)]