11231780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 27990648

約数和(自身を除く): 16758868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 157, 196, 245, 292, 314, 365, 490, 511, 628, 730, 785, 980, 1022, 1099, 1460, 1570, 2044, 2198, 2555, 3140, 3577, 4396, 5110, 5495, 7154, 7693, 10220, 10990, 11461, 14308, 15386, 17885, 21980, 22922, 30772, 35770, 38465, 45844, 57305, 71540, 76930, 80227, 114610, 153860, 160454, 229220, 320908, 401135, 561589, 802270, 1123178, 1604540, 2246356, 2807945, 5615890, 11231780]

約数ペア:

[(1, 11231780), (2, 5615890), (4, 2807945), (5, 2246356), (7, 1604540), (10, 1123178), (14, 802270), (20, 561589), (28, 401135), (35, 320908), (49, 229220), (70, 160454), (73, 153860), (98, 114610), (140, 80227), (146, 76930), (157, 71540), (196, 57305), (245, 45844), (292, 38465), (314, 35770), (365, 30772), (490, 22922), (511, 21980), (628, 17885), (730, 15386), (785, 14308), (980, 11461), (1022, 10990), (1099, 10220), (1460, 7693), (1570, 7154), (2044, 5495), (2198, 5110), (2555, 4396), (3140, 3577)]