12857870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 26265600

約数和(自身を除く): 13407730

約数列:

[1, 2, 5, 10, 19, 31, 37, 38, 59, 62, 74, 95, 118, 155, 185, 190, 295, 310, 370, 589, 590, 703, 1121, 1147, 1178, 1406, 1829, 2183, 2242, 2294, 2945, 3515, 3658, 4366, 5605, 5735, 5890, 7030, 9145, 10915, 11210, 11470, 18290, 21793, 21830, 34751, 41477, 43586, 67673, 69502, 82954, 108965, 135346, 173755, 207385, 217930, 338365, 347510, 414770, 676730, 1285787, 2571574, 6428935, 12857870]

約数ペア:

[(1, 12857870), (2, 6428935), (5, 2571574), (10, 1285787), (19, 676730), (31, 414770), (37, 347510), (38, 338365), (59, 217930), (62, 207385), (74, 173755), (95, 135346), (118, 108965), (155, 82954), (185, 69502), (190, 67673), (295, 43586), (310, 41477), (370, 34751), (589, 21830), (590, 21793), (703, 18290), (1121, 11470), (1147, 11210), (1178, 10915), (1406, 9145), (1829, 7030), (2183, 5890), (2242, 5735), (2294, 5605), (2945, 4366), (3515, 3658)]