400217976

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{863}}^1$

素因数の和:1010

約数の個数: 128

約数和(自身を含む): 1181952000

約数和(自身を除く): 781734024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 113, 114, 152, 171, 216, 226, 228, 339, 342, 452, 456, 513, 678, 684, 863, 904, 1017, 1026, 1356, 1368, 1726, 2034, 2052, 2147, 2589, 2712, 3051, 3452, 4068, 4104, 4294, 5178, 6102, 6441, 6904, 7767, 8136, 8588, 10356, 12204, 12882, 15534, 16397, 17176, 19323, 20712, 23301, 24408, 25764, 31068, 32794, 38646, 46602, 49191, 51528, 57969, 62136, 65588, 77292, 93204, 97519, 98382, 115938, 131176, 147573, 154584, 186408, 195038, 196764, 231876, 292557, 295146, 390076, 393528, 442719, 463752, 585114, 590292, 780152, 877671, 885438, 1170228, 1180584, 1755342, 1770876, 1852861, 2340456, 2633013, 3510684, 3541752, 3705722, 5266026, 5558583, 7021368, 7411444, 10532052, 11117166, 14822888, 16675749, 21064104, 22234332, 33351498, 44468664, 50027247, 66702996, 100054494, 133405992, 200108988, 400217976]

約数ペア:

[(1, 400217976), (2, 200108988), (3, 133405992), (4, 100054494), (6, 66702996), (8, 50027247), (9, 44468664), (12, 33351498), (18, 22234332), (19, 21064104), (24, 16675749), (27, 14822888), (36, 11117166), (38, 10532052), (54, 7411444), (57, 7021368), (72, 5558583), (76, 5266026), (108, 3705722), (113, 3541752), (114, 3510684), (152, 2633013), (171, 2340456), (216, 1852861), (226, 1770876), (228, 1755342), (339, 1180584), (342, 1170228), (452, 885438), (456, 877671), (513, 780152), (678, 590292), (684, 585114), (863, 463752), (904, 442719), (1017, 393528), (1026, 390076), (1356, 295146), (1368, 292557), (1726, 231876), (2034, 196764), (2052, 195038), (2147, 186408), (2589, 154584), (2712, 147573), (3051, 131176), (3452, 115938), (4068, 98382), (4104, 97519), (4294, 93204), (5178, 77292), (6102, 65588), (6441, 62136), (6904, 57969), (7767, 51528), (8136, 49191), (8588, 46602), (10356, 38646), (12204, 32794), (12882, 31068), (15534, 25764), (16397, 24408), (17176, 23301), (19323, 20712)]