1990343344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{6883}}^1$

素因数の和:6986

約数の個数: 80

約数和(自身を含む): 4425145344

約数和(自身を除く): 2434802000

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 53, 62, 88, 106, 124, 176, 212, 248, 341, 424, 496, 583, 682, 848, 1166, 1364, 1643, 2332, 2728, 3286, 4664, 5456, 6572, 6883, 9328, 13144, 13766, 18073, 26288, 27532, 36146, 55064, 72292, 75713, 110128, 144584, 151426, 213373, 289168, 302852, 364799, 426746, 605704, 729598, 853492, 1211408, 1459196, 1706984, 2347103, 2918392, 3413968, 4012789, 4694206, 5836784, 8025578, 9388412, 11308769, 16051156, 18776824, 22617538, 32102312, 37553648, 45235076, 64204624, 90470152, 124396459, 180940304, 248792918, 497585836, 995171672, 1990343344]

約数ペア:

[(1, 1990343344), (2, 995171672), (4, 497585836), (8, 248792918), (11, 180940304), (16, 124396459), (22, 90470152), (31, 64204624), (44, 45235076), (53, 37553648), (62, 32102312), (88, 22617538), (106, 18776824), (124, 16051156), (176, 11308769), (212, 9388412), (248, 8025578), (341, 5836784), (424, 4694206), (496, 4012789), (583, 3413968), (682, 2918392), (848, 2347103), (1166, 1706984), (1364, 1459196), (1643, 1211408), (2332, 853492), (2728, 729598), (3286, 605704), (4664, 426746), (5456, 364799), (6572, 302852), (6883, 289168), (9328, 213373), (13144, 151426), (13766, 144584), (18073, 110128), (26288, 75713), (27532, 72292), (36146, 55064)]