1275496940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{2741}}^1$

素因数の和:3242

約数の個数: 48

約数和(自身を含む): 2736296640

約数和(自身を除く): 1460799700

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 439, 530, 878, 1060, 1756, 2195, 2741, 4390, 5482, 8780, 10964, 13705, 23267, 27410, 46534, 54820, 93068, 116335, 145273, 232670, 290546, 465340, 581092, 726365, 1203299, 1452730, 2406598, 2905460, 4813196, 6016495, 12032990, 24065980, 63774847, 127549694, 255099388, 318874235, 637748470, 1275496940]

約数ペア:

[(1, 1275496940), (2, 637748470), (4, 318874235), (5, 255099388), (10, 127549694), (20, 63774847), (53, 24065980), (106, 12032990), (212, 6016495), (265, 4813196), (439, 2905460), (530, 2406598), (878, 1452730), (1060, 1203299), (1756, 726365), (2195, 581092), (2741, 465340), (4390, 290546), (5482, 232670), (8780, 145273), (10964, 116335), (13705, 93068), (23267, 54820), (27410, 46534)]