278832470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4421}}^1$

素因数の和:4505

約数の個数: 64

約数和(自身を含む): 618938496

約数和(自身を除く): 340106026

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 53, 70, 85, 106, 119, 170, 238, 265, 371, 530, 595, 742, 901, 1190, 1802, 1855, 3710, 4421, 4505, 6307, 8842, 9010, 12614, 22105, 30947, 31535, 44210, 61894, 63070, 75157, 150314, 154735, 234313, 309470, 375785, 468626, 526099, 751570, 1052198, 1171565, 1640191, 2343130, 2630495, 3280382, 3983321, 5260990, 7966642, 8200955, 16401910, 19916605, 27883247, 39833210, 55766494, 139416235, 278832470]

約数ペア:

[(1, 278832470), (2, 139416235), (5, 55766494), (7, 39833210), (10, 27883247), (14, 19916605), (17, 16401910), (34, 8200955), (35, 7966642), (53, 5260990), (70, 3983321), (85, 3280382), (106, 2630495), (119, 2343130), (170, 1640191), (238, 1171565), (265, 1052198), (371, 751570), (530, 526099), (595, 468626), (742, 375785), (901, 309470), (1190, 234313), (1802, 154735), (1855, 150314), (3710, 75157), (4421, 63070), (4505, 61894), (6307, 44210), (8842, 31535), (9010, 30947), (12614, 22105)]