211769360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:333

約数の個数: 120

約数和(自身を含む): 548589888

約数和(自身を除く): 336820528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 131, 167, 176, 220, 242, 262, 334, 440, 484, 524, 605, 655, 668, 835, 880, 968, 1048, 1210, 1310, 1336, 1441, 1670, 1837, 1936, 2096, 2420, 2620, 2672, 2882, 3340, 3674, 4840, 5240, 5764, 6680, 7205, 7348, 9185, 9680, 10480, 11528, 13360, 14410, 14696, 15851, 18370, 20207, 21877, 23056, 28820, 29392, 31702, 36740, 40414, 43754, 57640, 63404, 73480, 79255, 80828, 87508, 101035, 109385, 115280, 126808, 146960, 158510, 161656, 175016, 202070, 218770, 240647, 253616, 317020, 323312, 350032, 404140, 437540, 481294, 634040, 808280, 875080, 962588, 1203235, 1268080, 1616560, 1750160, 1925176, 2406470, 2647117, 3850352, 4812940, 5294234, 9625880, 10588468, 13235585, 19251760, 21176936, 26471170, 42353872, 52942340, 105884680, 211769360]

約数ペア:

[(1, 211769360), (2, 105884680), (4, 52942340), (5, 42353872), (8, 26471170), (10, 21176936), (11, 19251760), (16, 13235585), (20, 10588468), (22, 9625880), (40, 5294234), (44, 4812940), (55, 3850352), (80, 2647117), (88, 2406470), (110, 1925176), (121, 1750160), (131, 1616560), (167, 1268080), (176, 1203235), (220, 962588), (242, 875080), (262, 808280), (334, 634040), (440, 481294), (484, 437540), (524, 404140), (605, 350032), (655, 323312), (668, 317020), (835, 253616), (880, 240647), (968, 218770), (1048, 202070), (1210, 175016), (1310, 161656), (1336, 158510), (1441, 146960), (1670, 126808), (1837, 115280), (1936, 109385), (2096, 101035), (2420, 87508), (2620, 80828), (2672, 79255), (2882, 73480), (3340, 63404), (3674, 57640), (4840, 43754), (5240, 40414), (5764, 36740), (6680, 31702), (7205, 29392), (7348, 28820), (9185, 23056), (9680, 21877), (10480, 20207), (11528, 18370), (13360, 15851), (14410, 14696)]