72780490

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 133144704

約数和(自身を除く): 60364214

約数列:

[1, 2, 5, 10, 151, 157, 302, 307, 314, 614, 755, 785, 1510, 1535, 1570, 3070, 23707, 46357, 47414, 48199, 92714, 96398, 118535, 231785, 237070, 240995, 463570, 481990, 7278049, 14556098, 36390245, 72780490]

約数ペア:

[(1, 72780490), (2, 36390245), (5, 14556098), (10, 7278049), (151, 481990), (157, 463570), (302, 240995), (307, 237070), (314, 231785), (614, 118535), (755, 96398), (785, 92714), (1510, 48199), (1535, 47414), (1570, 46357), (3070, 23707)]