2011504220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^2\times {\mathrm{401}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 4650461424

約数和(自身を除く): 2638957204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 401, 604, 755, 802, 1510, 1604, 1661, 2005, 3020, 3322, 4010, 4411, 6644, 8020, 8305, 8822, 16610, 17644, 22055, 22801, 33220, 44110, 45602, 60551, 88220, 91204, 114005, 121102, 228010, 242204, 250811, 302755, 456020, 501622, 605510, 666061, 1003244, 1211020, 1254055, 1332122, 2508110, 2664244, 3330305, 5016220, 6660610, 9143201, 13321220, 18286402, 36572804, 45716005, 91432010, 100575211, 182864020, 201150422, 402300844, 502876055, 1005752110, 2011504220]

約数ペア:

[(1, 2011504220), (2, 1005752110), (4, 502876055), (5, 402300844), (10, 201150422), (11, 182864020), (20, 100575211), (22, 91432010), (44, 45716005), (55, 36572804), (110, 18286402), (151, 13321220), (220, 9143201), (302, 6660610), (401, 5016220), (604, 3330305), (755, 2664244), (802, 2508110), (1510, 1332122), (1604, 1254055), (1661, 1211020), (2005, 1003244), (3020, 666061), (3322, 605510), (4010, 501622), (4411, 456020), (6644, 302755), (8020, 250811), (8305, 242204), (8822, 228010), (16610, 121102), (17644, 114005), (22055, 91204), (22801, 88220), (33220, 60551), (44110, 45602)]