4785348820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{20431}}^1$

素因数の和:20693

約数の個数: 72

約数和(自身を含む): 11739409920

約数和(自身を除く): 6954061100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 239, 245, 478, 490, 956, 980, 1195, 1673, 2390, 3346, 4780, 6692, 8365, 11711, 16730, 20431, 23422, 33460, 40862, 46844, 58555, 81724, 102155, 117110, 143017, 204310, 234220, 286034, 408620, 572068, 715085, 1001119, 1430170, 2002238, 2860340, 4004476, 4883009, 5005595, 9766018, 10011190, 19532036, 20022380, 24415045, 34181063, 48830090, 68362126, 97660180, 136724252, 170905315, 239267441, 341810630, 478534882, 683621260, 957069764, 1196337205, 2392674410, 4785348820]

約数ペア:

[(1, 4785348820), (2, 2392674410), (4, 1196337205), (5, 957069764), (7, 683621260), (10, 478534882), (14, 341810630), (20, 239267441), (28, 170905315), (35, 136724252), (49, 97660180), (70, 68362126), (98, 48830090), (140, 34181063), (196, 24415045), (239, 20022380), (245, 19532036), (478, 10011190), (490, 9766018), (956, 5005595), (980, 4883009), (1195, 4004476), (1673, 2860340), (2390, 2002238), (3346, 1430170), (4780, 1001119), (6692, 715085), (8365, 572068), (11711, 408620), (16730, 286034), (20431, 234220), (23422, 204310), (33460, 143017), (40862, 117110), (46844, 102155), (58555, 81724)]