253260420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{86143}}^1$

素因数の和:86169

約数の個数: 72

約数和(自身を含む): 824914944

約数和(自身を除く): 571654524

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, 86143, 172286, 258429, 344572, 430715, 516858, 603001, 861430, 1033716, 1206002, 1292145, 1722860, 1809003, 2412004, 2584290, 3015005, 3618006, 4221007, 5168580, 6030010, 7236012, 8442014, 9045015, 12060020, 12663021, 16884028, 18090030, 21105035, 25326042, 36180060, 42210070, 50652084, 63315105, 84420140, 126630210, 253260420]

約数ペア:

[(1, 253260420), (2, 126630210), (3, 84420140), (4, 63315105), (5, 50652084), (6, 42210070), (7, 36180060), (10, 25326042), (12, 21105035), (14, 18090030), (15, 16884028), (20, 12663021), (21, 12060020), (28, 9045015), (30, 8442014), (35, 7236012), (42, 6030010), (49, 5168580), (60, 4221007), (70, 3618006), (84, 3015005), (98, 2584290), (105, 2412004), (140, 1809003), (147, 1722860), (196, 1292145), (210, 1206002), (245, 1033716), (294, 861430), (420, 603001), (490, 516858), (588, 430715), (735, 344572), (980, 258429), (1470, 172286), (2940, 86143)]