122221820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 304819200

約数和(自身を除く): 182597380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 107, 140, 164, 199, 205, 214, 287, 398, 410, 428, 535, 574, 749, 796, 820, 995, 1070, 1148, 1393, 1435, 1498, 1990, 2140, 2786, 2870, 2996, 3745, 3980, 4387, 5572, 5740, 6965, 7490, 8159, 8774, 13930, 14980, 16318, 17548, 21293, 21935, 27860, 30709, 32636, 40795, 42586, 43870, 57113, 61418, 81590, 85172, 87740, 106465, 114226, 122836, 149051, 153545, 163180, 212930, 228452, 285565, 298102, 307090, 425860, 571130, 596204, 614180, 745255, 873013, 1142260, 1490510, 1746026, 2981020, 3492052, 4365065, 6111091, 8730130, 12222182, 17460260, 24444364, 30555455, 61110910, 122221820]

約数ペア:

[(1, 122221820), (2, 61110910), (4, 30555455), (5, 24444364), (7, 17460260), (10, 12222182), (14, 8730130), (20, 6111091), (28, 4365065), (35, 3492052), (41, 2981020), (70, 1746026), (82, 1490510), (107, 1142260), (140, 873013), (164, 745255), (199, 614180), (205, 596204), (214, 571130), (287, 425860), (398, 307090), (410, 298102), (428, 285565), (535, 228452), (574, 212930), (749, 163180), (796, 153545), (820, 149051), (995, 122836), (1070, 114226), (1148, 106465), (1393, 87740), (1435, 85172), (1498, 81590), (1990, 61418), (2140, 57113), (2786, 43870), (2870, 42586), (2996, 40795), (3745, 32636), (3980, 30709), (4387, 27860), (5572, 21935), (5740, 21293), (6965, 17548), (7490, 16318), (8159, 14980), (8774, 13930)]