399016872

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 1186473600

約数和(自身を除く): 787456728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 31, 36, 38, 57, 62, 72, 76, 93, 97, 114, 124, 152, 171, 186, 194, 228, 248, 279, 291, 342, 372, 388, 456, 558, 582, 589, 684, 744, 776, 873, 1116, 1164, 1178, 1368, 1746, 1767, 1843, 2232, 2328, 2356, 3007, 3492, 3534, 3686, 4712, 5301, 5529, 6014, 6984, 7068, 7372, 9021, 9409, 10602, 11058, 12028, 14136, 14744, 16587, 18042, 18818, 21204, 22116, 24056, 27063, 28227, 33174, 36084, 37636, 42408, 44232, 54126, 56454, 57133, 66348, 72168, 75272, 84681, 108252, 112908, 114266, 132696, 169362, 171399, 178771, 216504, 225816, 228532, 291679, 338724, 342798, 357542, 457064, 514197, 536313, 583358, 677448, 685596, 715084, 875037, 1028394, 1072626, 1166716, 1371192, 1430168, 1608939, 1750074, 2056788, 2145252, 2333432, 2625111, 3217878, 3500148, 4113576, 4290504, 5250222, 5541901, 6435756, 7000296, 10500444, 11083802, 12871512, 16625703, 21000888, 22167604, 33251406, 44335208, 49877109, 66502812, 99754218, 133005624, 199508436, 399016872]

約数ペア:

[(1, 399016872), (2, 199508436), (3, 133005624), (4, 99754218), (6, 66502812), (8, 49877109), (9, 44335208), (12, 33251406), (18, 22167604), (19, 21000888), (24, 16625703), (31, 12871512), (36, 11083802), (38, 10500444), (57, 7000296), (62, 6435756), (72, 5541901), (76, 5250222), (93, 4290504), (97, 4113576), (114, 3500148), (124, 3217878), (152, 2625111), (171, 2333432), (186, 2145252), (194, 2056788), (228, 1750074), (248, 1608939), (279, 1430168), (291, 1371192), (342, 1166716), (372, 1072626), (388, 1028394), (456, 875037), (558, 715084), (582, 685596), (589, 677448), (684, 583358), (744, 536313), (776, 514197), (873, 457064), (1116, 357542), (1164, 342798), (1178, 338724), (1368, 291679), (1746, 228532), (1767, 225816), (1843, 216504), (2232, 178771), (2328, 171399), (2356, 169362), (3007, 132696), (3492, 114266), (3534, 112908), (3686, 108252), (4712, 84681), (5301, 75272), (5529, 72168), (6014, 66348), (6984, 57133), (7068, 56454), (7372, 54126), (9021, 44232), (9409, 42408), (10602, 37636), (11058, 36084), (12028, 33174), (14136, 28227), (14744, 27063), (16587, 24056), (18042, 22116), (18818, 21204)]