222390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{353}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 662688

約数和(自身を除く): 440298

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 353, 630, 706, 1059, 1765, 2118, 2471, 3177, 3530, 4942, 5295, 6354, 7413, 10590, 12355, 14826, 15885, 22239, 24710, 31770, 37065, 44478, 74130, 111195, 222390]

約数ペア:

[(1, 222390), (2, 111195), (3, 74130), (5, 44478), (6, 37065), (7, 31770), (9, 24710), (10, 22239), (14, 15885), (15, 14826), (18, 12355), (21, 10590), (30, 7413), (35, 6354), (42, 5295), (45, 4942), (63, 3530), (70, 3177), (90, 2471), (105, 2118), (126, 1765), (210, 1059), (315, 706), (353, 630)]