395623620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{313987}}^1$

素因数の和:314009

約数の個数: 72

約数和(自身を含む): 1371499584

約数和(自身を除く): 975875964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 313987, 627974, 941961, 1255948, 1569935, 1883922, 2197909, 2825883, 3139870, 3767844, 4395818, 4709805, 5651766, 6279740, 6593727, 8791636, 9419610, 10989545, 11303532, 13187454, 14129415, 18839220, 19781181, 21979090, 26374908, 28258830, 32968635, 39562362, 43958180, 56517660, 65937270, 79124724, 98905905, 131874540, 197811810, 395623620]

約数ペア:

[(1, 395623620), (2, 197811810), (3, 131874540), (4, 98905905), (5, 79124724), (6, 65937270), (7, 56517660), (9, 43958180), (10, 39562362), (12, 32968635), (14, 28258830), (15, 26374908), (18, 21979090), (20, 19781181), (21, 18839220), (28, 14129415), (30, 13187454), (35, 11303532), (36, 10989545), (42, 9419610), (45, 8791636), (60, 6593727), (63, 6279740), (70, 5651766), (84, 4709805), (90, 4395818), (105, 3767844), (126, 3139870), (140, 2825883), (180, 2197909), (210, 1883922), (252, 1569935), (315, 1255948), (420, 941961), (630, 627974), (1260, 313987)]