858285860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{607}}^1$

素因数の和:757

約数の個数: 72

約数和(自身を含む): 1932053760

約数和(自身を除く): 1073767900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 607, 610, 1159, 1214, 1220, 2318, 2428, 3035, 3721, 4636, 5795, 6070, 7442, 11533, 11590, 12140, 14884, 18605, 23066, 23180, 37027, 37210, 46132, 57665, 70699, 74054, 74420, 115330, 141398, 148108, 185135, 230660, 282796, 353495, 370270, 703513, 706990, 740540, 1407026, 1413980, 2258647, 2814052, 3517565, 4517294, 7035130, 9034588, 11293235, 14070260, 22586470, 42914293, 45172940, 85828586, 171657172, 214571465, 429142930, 858285860]

約数ペア:

[(1, 858285860), (2, 429142930), (4, 214571465), (5, 171657172), (10, 85828586), (19, 45172940), (20, 42914293), (38, 22586470), (61, 14070260), (76, 11293235), (95, 9034588), (122, 7035130), (190, 4517294), (244, 3517565), (305, 2814052), (380, 2258647), (607, 1413980), (610, 1407026), (1159, 740540), (1214, 706990), (1220, 703513), (2318, 370270), (2428, 353495), (3035, 282796), (3721, 230660), (4636, 185135), (5795, 148108), (6070, 141398), (7442, 115330), (11533, 74420), (11590, 74054), (12140, 70699), (14884, 57665), (18605, 46132), (23066, 37210), (23180, 37027)]