2157740988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 5768773920

約数和(自身を除く): 3611032932

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 37, 39, 52, 62, 74, 78, 93, 111, 124, 148, 156, 186, 222, 372, 389, 403, 444, 481, 778, 806, 961, 962, 1147, 1167, 1209, 1443, 1556, 1612, 1922, 1924, 2294, 2334, 2418, 2883, 2886, 3441, 3844, 4588, 4668, 4836, 5057, 5766, 5772, 6882, 10114, 11532, 12059, 12493, 13764, 14393, 14911, 15171, 20228, 24118, 24986, 28786, 29822, 30342, 35557, 36177, 37479, 43179, 44733, 48236, 49972, 57572, 59644, 60684, 71114, 72354, 74958, 86358, 89466, 106671, 142228, 144708, 149916, 156767, 172716, 178932, 187109, 213342, 313534, 373829, 374218, 426684, 446183, 462241, 470301, 561327, 627068, 747658, 748436, 892366, 924482, 940602, 1121487, 1122654, 1338549, 1386723, 1495316, 1784732, 1848964, 1881204, 2242974, 2245308, 2677098, 2773446, 4485948, 4859777, 5354196, 5546892, 5800379, 9719554, 11600758, 13831673, 14579331, 17401137, 19439108, 23201516, 27663346, 29158662, 34802274, 41495019, 55326692, 58317324, 69604548, 82990038, 165980076, 179811749, 359623498, 539435247, 719246996, 1078870494, 2157740988]

約数ペア:

[(1, 2157740988), (2, 1078870494), (3, 719246996), (4, 539435247), (6, 359623498), (12, 179811749), (13, 165980076), (26, 82990038), (31, 69604548), (37, 58317324), (39, 55326692), (52, 41495019), (62, 34802274), (74, 29158662), (78, 27663346), (93, 23201516), (111, 19439108), (124, 17401137), (148, 14579331), (156, 13831673), (186, 11600758), (222, 9719554), (372, 5800379), (389, 5546892), (403, 5354196), (444, 4859777), (481, 4485948), (778, 2773446), (806, 2677098), (961, 2245308), (962, 2242974), (1147, 1881204), (1167, 1848964), (1209, 1784732), (1443, 1495316), (1556, 1386723), (1612, 1338549), (1922, 1122654), (1924, 1121487), (2294, 940602), (2334, 924482), (2418, 892366), (2883, 748436), (2886, 747658), (3441, 627068), (3844, 561327), (4588, 470301), (4668, 462241), (4836, 446183), (5057, 426684), (5766, 374218), (5772, 373829), (6882, 313534), (10114, 213342), (11532, 187109), (12059, 178932), (12493, 172716), (13764, 156767), (14393, 149916), (14911, 144708), (15171, 142228), (20228, 106671), (24118, 89466), (24986, 86358), (28786, 74958), (29822, 72354), (30342, 71114), (35557, 60684), (36177, 59644), (37479, 57572), (43179, 49972), (44733, 48236)]