2539140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 7197120

約数和(自身を除く): 4657980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 419, 505, 606, 838, 1010, 1212, 1257, 1515, 1676, 2020, 2095, 2514, 3030, 4190, 5028, 6060, 6285, 8380, 12570, 25140, 42319, 84638, 126957, 169276, 211595, 253914, 423190, 507828, 634785, 846380, 1269570, 2539140]

約数ペア:

[(1, 2539140), (2, 1269570), (3, 846380), (4, 634785), (5, 507828), (6, 423190), (10, 253914), (12, 211595), (15, 169276), (20, 126957), (30, 84638), (60, 42319), (101, 25140), (202, 12570), (303, 8380), (404, 6285), (419, 6060), (505, 5028), (606, 4190), (838, 3030), (1010, 2514), (1212, 2095), (1257, 2020), (1515, 1676)]