2981178280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1\times {\mathrm{6337}}^1$

素因数の和:6986

約数の個数: 64

約数和(自身を含む): 7073208000

約数和(自身を除く): 4092029720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 619, 760, 1238, 2476, 3095, 4952, 6190, 6337, 11761, 12380, 12674, 23522, 24760, 25348, 31685, 47044, 50696, 58805, 63370, 94088, 117610, 120403, 126740, 235220, 240806, 253480, 470440, 481612, 602015, 963224, 1204030, 2408060, 3922603, 4816120, 7845206, 15690412, 19613015, 31380824, 39226030, 74529457, 78452060, 149058914, 156904120, 298117828, 372647285, 596235656, 745294570, 1490589140, 2981178280]

約数ペア:

[(1, 2981178280), (2, 1490589140), (4, 745294570), (5, 596235656), (8, 372647285), (10, 298117828), (19, 156904120), (20, 149058914), (38, 78452060), (40, 74529457), (76, 39226030), (95, 31380824), (152, 19613015), (190, 15690412), (380, 7845206), (619, 4816120), (760, 3922603), (1238, 2408060), (2476, 1204030), (3095, 963224), (4952, 602015), (6190, 481612), (6337, 470440), (11761, 253480), (12380, 240806), (12674, 235220), (23522, 126740), (24760, 120403), (25348, 117610), (31685, 94088), (47044, 63370), (50696, 58805)]