4400140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 9805824

約数和(自身を除く): 5405684

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 151, 155, 188, 235, 302, 310, 470, 604, 620, 755, 940, 1457, 1510, 2914, 3020, 4681, 5828, 7097, 7285, 9362, 14194, 14570, 18724, 23405, 28388, 29140, 35485, 46810, 70970, 93620, 141940, 220007, 440014, 880028, 1100035, 2200070, 4400140]

約数ペア:

[(1, 4400140), (2, 2200070), (4, 1100035), (5, 880028), (10, 440014), (20, 220007), (31, 141940), (47, 93620), (62, 70970), (94, 46810), (124, 35485), (151, 29140), (155, 28388), (188, 23405), (235, 18724), (302, 14570), (310, 14194), (470, 9362), (604, 7285), (620, 7097), (755, 5828), (940, 4681), (1457, 3020), (1510, 2914)]