7885220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 19100928

約数和(自身を除く): 11215708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 373, 604, 746, 755, 1057, 1492, 1510, 1865, 2114, 2611, 3020, 3730, 4228, 5222, 5285, 7460, 10444, 10570, 13055, 21140, 26110, 52220, 56323, 112646, 225292, 281615, 394261, 563230, 788522, 1126460, 1577044, 1971305, 3942610, 7885220]

約数ペア:

[(1, 7885220), (2, 3942610), (4, 1971305), (5, 1577044), (7, 1126460), (10, 788522), (14, 563230), (20, 394261), (28, 281615), (35, 225292), (70, 112646), (140, 56323), (151, 52220), (302, 26110), (373, 21140), (604, 13055), (746, 10570), (755, 10444), (1057, 7460), (1492, 5285), (1510, 5222), (1865, 4228), (2114, 3730), (2611, 3020)]