7681700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 18957120

約数和(自身を除く): 11275420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 311, 325, 380, 475, 494, 622, 650, 950, 988, 1235, 1244, 1300, 1555, 1900, 2470, 3110, 4043, 4940, 5909, 6175, 6220, 7775, 8086, 11818, 12350, 15550, 16172, 20215, 23636, 24700, 29545, 31100, 40430, 59090, 76817, 80860, 101075, 118180, 147725, 153634, 202150, 295450, 307268, 384085, 404300, 590900, 768170, 1536340, 1920425, 3840850, 7681700]

約数ペア:

[(1, 7681700), (2, 3840850), (4, 1920425), (5, 1536340), (10, 768170), (13, 590900), (19, 404300), (20, 384085), (25, 307268), (26, 295450), (38, 202150), (50, 153634), (52, 147725), (65, 118180), (76, 101075), (95, 80860), (100, 76817), (130, 59090), (190, 40430), (247, 31100), (260, 29545), (311, 24700), (325, 23636), (380, 20215), (475, 16172), (494, 15550), (622, 12350), (650, 11818), (950, 8086), (988, 7775), (1235, 6220), (1244, 6175), (1300, 5909), (1555, 4940), (1900, 4043), (2470, 3110)]