291239740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{797}}^1$

素因数の和:979

約数の個数: 72

約数和(自身を含む): 677559456

約数和(自身を除く): 386319716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 151, 220, 242, 302, 484, 604, 605, 755, 797, 1210, 1510, 1594, 1661, 2420, 3020, 3188, 3322, 3985, 6644, 7970, 8305, 8767, 15940, 16610, 17534, 18271, 33220, 35068, 36542, 43835, 73084, 87670, 91355, 96437, 120347, 175340, 182710, 192874, 240694, 365420, 385748, 481388, 482185, 601735, 964370, 1203470, 1323817, 1928740, 2406940, 2647634, 5295268, 6619085, 13238170, 14561987, 26476340, 29123974, 58247948, 72809935, 145619870, 291239740]

約数ペア:

[(1, 291239740), (2, 145619870), (4, 72809935), (5, 58247948), (10, 29123974), (11, 26476340), (20, 14561987), (22, 13238170), (44, 6619085), (55, 5295268), (110, 2647634), (121, 2406940), (151, 1928740), (220, 1323817), (242, 1203470), (302, 964370), (484, 601735), (604, 482185), (605, 481388), (755, 385748), (797, 365420), (1210, 240694), (1510, 192874), (1594, 182710), (1661, 175340), (2420, 120347), (3020, 96437), (3188, 91355), (3322, 87670), (3985, 73084), (6644, 43835), (7970, 36542), (8305, 35068), (8767, 33220), (15940, 18271), (16610, 17534)]