90984740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 247750272

約数和(自身を除く): 156765532

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 55, 70, 77, 82, 110, 121, 131, 140, 154, 164, 205, 220, 242, 262, 287, 308, 385, 410, 451, 484, 524, 574, 605, 655, 770, 820, 847, 902, 917, 1148, 1210, 1310, 1435, 1441, 1540, 1694, 1804, 1834, 2255, 2420, 2620, 2870, 2882, 3157, 3388, 3668, 4235, 4510, 4585, 4961, 5371, 5740, 5764, 6314, 7205, 8470, 9020, 9170, 9922, 10087, 10742, 12628, 14410, 15785, 15851, 16940, 18340, 19844, 20174, 21484, 24805, 26855, 28820, 31570, 31702, 34727, 37597, 40348, 49610, 50435, 53710, 59081, 63140, 63404, 69454, 75194, 79255, 99220, 100870, 107420, 110957, 118162, 138908, 150388, 158510, 173635, 187985, 201740, 221914, 236324, 295405, 317020, 347270, 375970, 413567, 443828, 554785, 590810, 649891, 694540, 751940, 827134, 1109570, 1181620, 1299782, 1654268, 2067835, 2219140, 2599564, 3249455, 4135670, 4549237, 6498910, 8271340, 9098474, 12997820, 18196948, 22746185, 45492370, 90984740]

約数ペア:

[(1, 90984740), (2, 45492370), (4, 22746185), (5, 18196948), (7, 12997820), (10, 9098474), (11, 8271340), (14, 6498910), (20, 4549237), (22, 4135670), (28, 3249455), (35, 2599564), (41, 2219140), (44, 2067835), (55, 1654268), (70, 1299782), (77, 1181620), (82, 1109570), (110, 827134), (121, 751940), (131, 694540), (140, 649891), (154, 590810), (164, 554785), (205, 443828), (220, 413567), (242, 375970), (262, 347270), (287, 317020), (308, 295405), (385, 236324), (410, 221914), (451, 201740), (484, 187985), (524, 173635), (574, 158510), (605, 150388), (655, 138908), (770, 118162), (820, 110957), (847, 107420), (902, 100870), (917, 99220), (1148, 79255), (1210, 75194), (1310, 69454), (1435, 63404), (1441, 63140), (1540, 59081), (1694, 53710), (1804, 50435), (1834, 49610), (2255, 40348), (2420, 37597), (2620, 34727), (2870, 31702), (2882, 31570), (3157, 28820), (3388, 26855), (3668, 24805), (4235, 21484), (4510, 20174), (4585, 19844), (4961, 18340), (5371, 16940), (5740, 15851), (5764, 15785), (6314, 14410), (7205, 12628), (8470, 10742), (9020, 10087), (9170, 9922)]