65450140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4289}}^1$

素因数の和:4414

約数の個数: 48

約数和(自身を含む): 158558400

約数和(自身を除く): 93108260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 4289, 7630, 8578, 15260, 17156, 21445, 30023, 42890, 60046, 85780, 120092, 150115, 300230, 467501, 600460, 935002, 1870004, 2337505, 3272507, 4675010, 6545014, 9350020, 13090028, 16362535, 32725070, 65450140]

約数ペア:

[(1, 65450140), (2, 32725070), (4, 16362535), (5, 13090028), (7, 9350020), (10, 6545014), (14, 4675010), (20, 3272507), (28, 2337505), (35, 1870004), (70, 935002), (109, 600460), (140, 467501), (218, 300230), (436, 150115), (545, 120092), (763, 85780), (1090, 60046), (1526, 42890), (2180, 30023), (3052, 21445), (3815, 17156), (4289, 15260), (7630, 8578)]