20161556170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{353}}^1\times {\mathrm{509}}^1$

素因数の和:1112

約数の個数: 96

約数和(自身を含む): 42603829200

約数和(自身を除く): 22442273030

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 229, 245, 353, 458, 490, 509, 706, 1018, 1145, 1603, 1765, 2290, 2471, 2545, 3206, 3530, 3563, 4942, 5090, 7126, 8015, 11221, 12355, 16030, 17297, 17815, 22442, 24710, 24941, 34594, 35630, 49882, 56105, 80837, 86485, 112210, 116561, 124705, 161674, 172970, 179677, 233122, 249410, 359354, 404185, 565859, 582805, 808370, 815927, 898385, 1131718, 1165610, 1257739, 1631854, 1796770, 2515478, 2829295, 3961013, 4079635, 5658590, 5711489, 6288695, 7922026, 8159270, 8804173, 11422978, 12577390, 17608346, 19805065, 28557445, 39610130, 41146033, 44020865, 57114890, 82292066, 88041730, 205730165, 288022231, 411460330, 576044462, 1440111155, 2016155617, 2880222310, 4032311234, 10080778085, 20161556170]

約数ペア:

[(1, 20161556170), (2, 10080778085), (5, 4032311234), (7, 2880222310), (10, 2016155617), (14, 1440111155), (35, 576044462), (49, 411460330), (70, 288022231), (98, 205730165), (229, 88041730), (245, 82292066), (353, 57114890), (458, 44020865), (490, 41146033), (509, 39610130), (706, 28557445), (1018, 19805065), (1145, 17608346), (1603, 12577390), (1765, 11422978), (2290, 8804173), (2471, 8159270), (2545, 7922026), (3206, 6288695), (3530, 5711489), (3563, 5658590), (4942, 4079635), (5090, 3961013), (7126, 2829295), (8015, 2515478), (11221, 1796770), (12355, 1631854), (16030, 1257739), (17297, 1165610), (17815, 1131718), (22442, 898385), (24710, 815927), (24941, 808370), (34594, 582805), (35630, 565859), (49882, 404185), (56105, 359354), (80837, 249410), (86485, 233122), (112210, 179677), (116561, 172970), (124705, 161674)]